Number Prefixes — Words Only

Root words of 8 letters or fewer beginning with a number or metric prefix (UNI, TETRA, PENTA, HEXA, OCTA, OCTO, DECA, CENTI, MILLI, KILO)

← Full list with definitions

128 words across 10 section(s)

Words Starting with UNI-

UNIFY UNION UNITE UNITY UNICED UNICOM UNICUM UNIFIC UNIPOD UNIQUE UNISEX UNISON
UNITER UNIBODY UNIBROW UNICORN UNIDEAL UNIFACE UNIFIER UNIFORM UNISIZE UNITAGE
UNITARD UNITARY UNITIVE UNITIZE UNIALGAL UNIAXIAL UNICOLOR UNICYCLE UNIDEAED
UNIFILAR UNILOBED UNIMBUED UNIMODAL UNINSTAL UNIONISE UNIONISM UNIONIST UNIONIZE
UNIPOLAR UNIRONED UNIRONIC UNISSUED UNITIZER UNITRUST UNIVALVE UNIVERSE UNIVOCAL

Words Starting with TETRA-

TETRACID TETRAGON TETRAMER TETRAPOD TETRARCH

Words Starting with PENTA-

PENTANE PENTACLE PENTAGON PENTANOL PENTARCH

Words Starting with HEXA-

HEXADE HEXANE HEXAGON HEXAPLA HEXAPOD HEXAGRAM HEXAMINE HEXAPODY HEXARCHY

Words Starting with OCTA-

OCTANE OCTANT OCTAVE OCTAVO OCTAGON OCTANOL OCTANGLE OCTARCHY

Words Starting with OCTO-

OCTOPOD OCTOPUS OCTONARY OCTOPOID OCTOROON

Words Starting with DECA-

DECADE DECAMP DECANE DECANI DECANT DECARE DECAGON DECALOG DECANAL DECAPOD
DECAYER DECADENT DECAGRAM DECANTER

Words Starting with CENTI-

CENTILE CENTIME CENTIMO CENTIARE

Words Starting with MILLI-

MILLIER MILLIME MILLINE MILLING MILLION MILLIAMP MILLIARD MILLIARE MILLIARY
MILLIBAR MILLIEME MILLIGAL MILLILUX MILLIMHO MILLINER MILLIOHM MILLIPED MILLIREM

Words Starting with KILO-

KILOBAR KILOBIT KILORAD KILOTON KILOBASE KILOBAUD KILOBYTE KILOGRAM KILOMOLE
KILOVOLT KILOWATT

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