185 total entries across 2 section(s)

7-Letter Words Ending with -OID (86 entries)

FRONTWORDBACKDEFINITION
ACAROID[a.] · resembling an acarid «a type of arachnid»
ADENOIDS[n. -S] · an enlarged lymphoid growth behind the pharynx
AGATOID< AGATE, [n. -S] · a variety of quartz - AGATOID [a.]
AMBROIDS[n. -S] · a synthetic amber / [x] { amberoid ambroid § amberoids ambroids }
AMEBOID< AMEBA, [n. -BAS or -BAE] · amoeba - AMEBAN AMEBIC AMEBOID [a.] / [x] { ameba ameboid amoeba amoeboid § amebae amebas amoebae amoebas § ameban amebic ameboid amoeban amoebic amoeboid }
AMYLOIDS[n. -S] · a hard protein deposit resulting from degeneration of tissue
ANDROIDS[n. -S] · a synthetic man / [x] { android droid § androids droids § android }
ANEROIDS[n. -S] · a type of barometer
ANTHOID[a.] · resembling a flower
CACTOID< CACTUS, [n. -TI or -TUSES] · a plant native to arid regions - CACTOID [a.]
CESTOIDS[n. -S] · cestode «a tapeworm» / [x] { cestode cestoid § cestodes cestoids § cestoid }
CHELOIDS[n. -S] · keloid «a scar caused by excessive growth of fibrous tissue» / [x] { cheloid keloid § cheloids keloids § cheloid keloid keloids § keloidal }
CHOROIDS[n. -S] · a membrane of the eye / [x] { chorioid choroid § chorioids choroids § choroid }
CIRSOID[a.] · varicose
CISSOIDS[n. -S] · a type of geometric curve
COCCOIDS[n. -S] · a spherical cell or body
COLLOIDS[n. -S] · a type of chemical suspension
CORMOID< CORM, [n. -S] · a stem of certain plants - CORMOID CORMOUS CORMLIKE [a.]
CRICOIDS[n. -S] · a cartilage of the larynx
CRINOIDS[n. -S] · a marine animal
CTENOID[a.] · comblike «resembling a comb»
CYCLOIDS[n. -S] · a geometric curve
CYSTOIDS[n. -S] · a cyst-like~ structure
DELTOIDS[n. -S] · a shoulder muscle / [x] { deltoid deltoideus § deltoidei deltoids § deltoid deltoideus }
DENTOID[a.] · resembling a tooth
DERMOIDS[n. -S] · a cystic tumor
DESMOIDS[n. -S] · a very hard tumor
DIPLOIDSY[n. -S] · a cell having the basic chromosome number doubled
DISCOIDS[n. -S] · a disk / [x] { disc discoid disk § discoids discs disks § disc disced discing discs disk disked disking disks § discoid }
EMEROIDS[n. -S] · emerod «a tumor» / [x] { emerod emeroid § emerods emeroids }
ERICOID[a.] · resembling heath
ETHMOIDS[n. -S] · a bone of the nasal cavity
EUPLOIDSY[n. -S] · a cell having three or more identical genomes
FACTOIDS[n. -S] · a brief news item
FIBROIDS[n. -S] · a fibroma «a benign tumor composed of fibrous tissue» / [x] { fibroid fibroma § fibroids fibromas fibromata }
FUNGOIDS[n. -S] · a growth resembling a fungus
GLENOID[a.] · having the shallow or slightly cupped form of a bone socket
GLOBOIDS[n. -S] · a spheroid
GOBIOIDS[n. -S] · a fish of the goby family
HAEMOID[a.] · hemoid «hemal» / [x] { haemal haematal haemic haemoid hemal hematal hematoid hemic hemoid }
HAPLOIDSY[n. -S] · a cell having only one set of chromosomes / [x] { haploid § haploids § haploid haploidic }
HISTOID[a.] · pertaining to connective tissue
HYALOIDS[n. -S] · a membrane of the eye
HYDROIDS[n. -S] · a polyp
HYENOID< HYENA, [n. -S] · a wolflike mammal - HYENIC HYENINE HYENOID [a.] / [x] { hyaena § hyaenas hyena hyenas § hyaenic hyenic hyenine hyenoid }
HYPNOID[a.] · pertaining to hypnosis or sleep
LABROIDS[n. -S] · a marine fish
LENTOIDS[n. -S] · an object shaped like a lens (=lentoids)
LIANOID[a.] · pertaining to a liana
LITHOID[a.] · resembling stone
MASTOIDS[n. -S] · the rear portion of the temporal bone
MATTOIDS[n. -S] · a mentally unbalanced person
MYELOID[a.] · pertaining to bone marrow
NAEVOID< NAEVUS, [n. -VI] · nevus «a birthmark» - NAEVOID [a.] / [x] { naevus nevus § naevi nevi § naevoid nevoid }
NEGROIDS! [n. -S] · member of the black race
NEUROID[a.] · resembling a nerve
OBOVOID[a.] · ovoid with the narrow end at the base
OCELOID< OCELOT, [n. -S] · an American~ wildcat - OCELOID [a.]
OCHROID[a.] · ocherous «containing or resembling ocher» / [x] { ocherish ocheroid ocherous ochery ochreous ochroid ochrous ochry }
OIDIOID< OIDIUM, [n. OIDIA] · a type of fungus - OIDIOID [a.] (=oidioid)
OSTEOIDS[n. -S] · uncalcified bone matrix
PERCOIDS[n. -S] · a spiny-finned~ fish
PHYTOID[a.] · resembling a plant
PLACOIDS[n. -S] · a fish having platelike scales
PYGMOID< PYGMY, [n. -MIES] · a small person - PYGMAEAN PYGMEAN PYGMOID PYGMYISH [a.] / [x] { pigmy pygmoid pygmy § pigmies pygmies § pigmy pygmaean pygmean pygmoid pygmy pygmyish }
QUINOIDS[n. -S] · a chemical compound
RHIZOIDS[n. -S] · a rootlike structure
SARCOIDS[n. -S] · a disease of horses
SIALOID[a.] · resembling saliva
SIGMOIDS[n. -S] · an S-shaped curve in a bodily part
SIMIOID[a.] · simious «pertaining to simians» / [x] { simioid simious }
SPAROIDS[n. -S] · a sparid «any of a family of marine fishes» / [x] { sparid sparoid § sparids sparoids § sparoid }
SPIROID[a.] · resembling a spiral
SPOROID[a.] · resembling a spore
ASTEROIDS[n. -S] · a type of chemical compound
STYLOIDS[n. -S] · a slender projection of bone (=styloids)
TABLOIDS[n. -S] · a small newspaper
THEROID[a.] · resembling a beast
THYROIDS[n. -S] · an endocrine gland
TYPHOIDS[n. -S] · an infectious disease
VALGOID< VALGUS, [n. -ES] · the position of a joint that is abnormally turned outward - VALGOID [a.]
VISCOID[a.] · somewhat viscid
XIPHOIDS[n. -S] · a part of the sternum
ZEBROID[a.] · pertaining to a zebra
ZINCOID[a.] · zincic «pertaining to zinc» / [x] { zincic zincky zincoid zincous zincy zinky }
ZOMBOID[a.] zombielike «resembling, like, or characteristic of a zombie»

8-Letter Words Ending with -OID (99 entries)

FRONTWORDBACKDEFINITION
ACTINOIDS[n. -S] · an actinide «any of a series of radioactive elements» / [x] { actinide actinoid § actinides actinoids § actinoid }
ALKALOIDS[n. -S] · a type of chemical compound
AMBEROIDS[n. -S] · ambroid «a synthetic amber» / [x] { amberoid ambroid § amberoids ambroids }
AMMONOIDS[n. -S] · ammonite / [x] { ammonite ammonoid § ammonites ammonoids § ammonite ammonoid }
AMOEBOID< AMOEBA, [n. -BAS or -BAE] · a unicellular microscopic organism - AMOEBAN AMOEBIC AMOEBOID [a.] / [x] { ameba ameboid amoeba amoeboid § amebae amebas amoebae amoebas § ameban amebic ameboid amoeban amoebic amoeboid }
ANCONOID< ANCON, [n. -ES] · the elbow - ANCONAL ANCONEAL ANCONOID [a.] / [x] { ancon ancone § ancones § anconal anconeal anconoid }
ARILLOID< ARIL, [n. -S] · an outer covering of certain seeds - ARILED ARILLATE ARILLOID [a.]
ASCONOID< ASCON, [n. -S] · a type of sponge - ASCONOID [a.]
ASTEROIDS[n. -S] · a type of celestial body
ATHETOID[a.] · affected with a type of nervous disorder
AUTACOIDS[n. -S] · a hormone / [x] { autacoid autocoid § autacoids autocoids }
AUTOCOIDS[n. -S] · autacoid «a hormone» / [x] { autacoid autocoid § autacoids autocoids }
BOTRYOID[a.] · resembling a cluster of grapes / [x] { botryoid § botryoid botryose }
CANCROIDS[n. -S] · a skin cancer
CARDIOIDS[n. -S] · a heart-shaped~ curve
CATENOIDS[n. -S] · a geometric surface
CENTROIDS[n. -S] · the center of mass of an object
CERATOID[a.] · hornlike «resembling a horn» / [x] { ceratoid keratoid }
CHOREOID[a.] · resembling chorea «a nervous disorder»
CHORIOIDS[n. -S] · choroid «a membrane of the eye» / [x] { chorioid choroid § chorioids choroids § choroid }
CLUPEOIDS[n. -S] · a clupeid «a fish of the herring family» / [x] { clupeid clupeoid § clupeids clupeoids § clupeoid }
CONCHOIDS[n. -S] · a type of geometric curve
CORACOIDS[n. -S] · a bone of the shoulder girdle
CORONOID[a.] · crown-shaped~
COTYLOID[a.] · cup-shaped~
DENDROIDS[n. -S] · a fossil marine invertebrate (=dendroids)
ECHINOIDS[n. -S] · a spiny marine animal / [x] { echinoid echinus § echini echinoids echinuses § echinoid }
ELYTROID< ELYTRON, [n. -TRA] · a hardened forewing of certain insects - ELYTROID ELYTROUS [a.] / [x] { elytron elytrum § elytra § elytroid elytrous }
EMBRYOIDS[n. -S] · a mass of tissue that resembles an embryo
EMULSOIDS[n. -S] · a liquid dispersed in another liquid
GABBROID< GABBRO, [n. -BROS] · a type of rock - GABBROIC GABBROID [a.]
GROUPOIDS[n. -S] · a type of mathematical set
GYNECOID[a.] · resembling a woman
HELICOIDS[n. -S] · a type of geometrical surface
HEMATOID[a.] · resembling blood / [x] { haemal haematal haemic haemoid hemal hematal hematoid hemic hemoid }
HOMINOIDS[n. -S] · a manlike animal
HUMANOIDS[n. -S] · something having human form
HYRACOIDS[n. -S] · a hyrax «a small, harelike mammal» / [x] { hyracoid hyrax § hyraces hyracoids hyraxes § hyracoid }
INDIGOIDS[n. -S] · a blue dye / [x] { indigo indigoid § indigoes indigoids indigos § indigo indigoid }
ISTHMOID[a.] · isthmic «pertaining to an isthmus» / [x] { isthmoid § isthmic }
KERATOID[a.] · horny / [x] { ceratoid keratoid }
LAMBDOID< LAMBDA, [n. -S] · a Greek letter - LAMBDOID [a.]
LEMUROIDS[n. -S] · a lemur / [x] { lemur lemuroid § lemuroids lemurs § lemuroid }
LIGULOID< LIGULA, [n. -LAE or -LAS] · a strap-shaped~ organ or part - LIGULAR LIGULATE LIGULOID [a.] / [x] { ligula ligule § ligulae ligulas ligules § ligular ligulate liguloid }
LIMULOIDS[n. -S] · a horseshoe crab
LYMPHOID< LYMPH, [n. -S] · a body fluid containing white blood cells - LYMPHOID LYMPHOUS [a.] (=lymphous)
MANATOID< MANATEE, [n. -S] · an aquatic mammal - MANATOID [a.]
MEDUSOIDS[n. -S] · medusa / [x] { medusa medusoid § medusae medusans medusas medusoids § medusal medusan medusoid }
MELANOIDS[n. -S] · a dark pigment
MUCINOID< MUCIN, [n. -S] · a protein secreted by the mucous membranes - MUCINOID MUCINOUS [a.]
MYCELOID< MYCELIUM, [n. -LIA] · the vegetative portion of a fungus - MYCELIAL MYCELIAN MYCELOID [a.] / [x] { mycele mycelium § myceles mycelia § mycelial mycelian myceloid }
NOCTUOID< NOCTUID, [n. -S] · a night-flying~ moth - NOCTUOID [a.]
NUCLEOIDS[n. -S] · the DNA-containing~ area of certain cells
OCHEROID[a.] · ocherous «containing or resembling ocher» / [x] { ocherish ocheroid ocherous ochery ochreous ochroid ochrous ochry }
OCTOPOID[a.] · resembling an octopus
ODONTOIDS[n. -S] · a toothlike vertebral projection
PARANOIDS[n. -S] · one affected with paranoia / [x] { paranoiac paranoic paranoid § paranoiacs paranoics paranoids § paranoiac paranoic paranoid }
PAROTOIDS[n. -S] · a gland of certain toads and frogs
PETALOID[a.] · resembling a petal
PHYLLOIDS[n. -S] · a leaflike plant part
PLASMOIDS[n. -S] · a type of high energy particle
POLYPOID[a.] · resembling a polyp
PRISMOIDS[n. -S] · a geometric solid
PYRANOID< PYRAN, [n. -S] · a chemical compound - PYRANOID [a.]
PYRENOIDS[n. -S] · a protein body of certain lower organisms
RACEMOID[a.] · pertaining to a raceme «a mode of arrangement of flowers along an axis»
RESINOIDS[n. -S] · a resinous substance
CRETINOIDS[n. -S] · a compound analogous to vitamin A
RHOMBOIDS[n. -S] · a type of geometric figure
SCAPHOIDS[n. -S] · a bone of the wrist
SCHIZOIDS[n. -S] · a person affected with a type of psychotic disorder / [x] { schizo schizoid schizophrenic § schizoids schizophrenics schizos § schizo schizoid schizophrenic }
SCINCOIDS[n. -S] · one of a family of smooth, short-limbed~ lizards
SCIUROID[a.] · resembling a squirrel
SCLEROID[a.] · sclerous «hardened» / [x] { scleroid § scleroid sclerous }
SEPALOID< SEPAL, [n. -S] · one of the individual leaves of a calyx - SEPALED SEPALINE SEPALLED SEPALOID SEPALOUS [a.]
SESAMOIDS[n. -S] · a nodular mass of bone or cartilage
SILUROIDS[n. -S] · a silurid «any of a family of catfishes» / [x] { silurid siluroid § silurids siluroids }
SINUSOIDS[n. -S] · a mathematical curve
SISTROID[a.] · included between the convex sides of two intersecting curves
SLEAZOIDS[n. -S] · a person of low morals or character / [x] { sleazo sleazoid § sleazoids sleazos }
SOLENOIDS[n. -S] · a type of electric coil
SPHENOIDS[n. -S] · a bone of the skull
SPHEROIDS[n. -S] · a type of geometric solid
SYCONOID< SYCON, [n. -S] · a type of sponge - SYCONOID [a.]
TAENIOID[a.] · of or relating to a member of the genus Taenia «cestodes»
TAPIROIDS[n. -S] · a Tapiroidea~, a superfamily of perissodactyl mammals comprising the tapirs and extinct related forms
TECHNOIDS[n. -S] · a technician / [x] { tec tech techie technician technoid tekkie § techies technicians technoids techs tecs tekkies § tech teched techs § techie technoid }
TERATOID< TERATISM, [n. -S] · a malformed fetus - TERATOID [a.]
TETANOID< TETANUS, [n. -ES] · an infectious disease - TETANOID [a.] / [x] { tetanus § tetanuses § tetanal tetanical tetanoid }
THALLOID< THALLUS, [n. -LI or -LUSES] · a plant body without true root, stem, or leaf - THALLOID [a.]
THYREOID[a.] · pertaining to the thyroid / [x] { thyreoid § thyroidal }
THYRSOID< THYRSUS, [n. -SI] · a type of flower cluster - THYRSOID [a.] / [x] { thyrse thyrsoid thyrsus § thyrses thyrsi § thyrsoid }
TRENDOIDS[n. -S] · a trendy person
TRICHOID[a.] · hairlike «resembling a hair»
TRIPLOIDSY[n. -S] · a cell having a chromosome number that is three times the basic number
TROCHOIDS[n. -S] · a type of geometric curve
TUBEROID[a.] · pertaining to a tuber / [x] { tuberoid § tuberous }
VIBRIOID< VIBRIO, [n. -RIOS] · any of a genus of bacteria shaped like a comma - VIBRIOID [a.] / [x] { vibrio vibrion § vibrions vibrios § vibrioid }
VIRUSOIDS[n. -S] · a particle of RNA~ associated with some plant viruses

Copyright © 2026 Mitch Bayersdorfer  ·  AGPL-3.0  ·  Thanks to Joe Petree for his definitions for these lists.  ·  Detailed Attributions