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Number Roots Vocabulary
Latin and Greek roots for numbers
20 words
All 20 Words
uni-, mono-
one
“unicorn, universe, monotone, monopoly”
bi-, di-
two
“bicycle, binary, dioxide, dilemma”
tri-
three
“triangle, trilogy, tripod”
quadr-, tetra-
four
“quadrant, quadruple, tetrahedron”
quint-, penta-
five
“quintet, quintuple, pentagon”
sex-, hexa-
six
“sextuple, hexagon, hexameter”
sept-, hepta-
seven
“September, septet, heptagon”
oct-
eight
“octopus, October, octagon”
nov-, ennea-
nine
“November, novena, enneagram”
dec-, deca-
ten
“decade, decimal, decathlon”
cent-
hundred
“century, centennial, percent”
milli-
thousand, thousandth
“millennium, millimeter, million”
kilo-
thousand
“kilogram, kilometer, kilobyte”
semi-, hemi-
half
“semicircle, hemisphere, semifinal”
multi-, poly-
many
“multiply, multitude, polygon, polyglot”
omni-, pan-
all
“omniscient, omnipotent, pandemic, panorama”
prim-, proto-
first
“primary, primitive, prototype, protocol”
ultra-
beyond
“ultraviolet, ultrasound, ultimate”
mega-
large, million
“megabyte, megalith, megaphone”
nano-
billionth, tiny
“nanotechnology, nanometer, nanosecond”
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