Number Prefixes Spelling List
Number Prefixes
Prefixes come before root or base words. They
can help a reader understand the meaning of a
word. Some prefix meanings are related
to a specific number.
Challenge Spelling List
Prefixes come before root or base words. They
can help a reader understand the meaning of a
word. Some prefix meanings are related to a
specific number.
uni-/mono- = 1
bi-/di-- = 2
tri- = 3
quad- = 4
quint-/penta- = 5
uni-/mono- = 1
bi-/di-- = 2
tri- = 3
quad- = 4
quint-/penta- = 5
unison
unicycle
unity
monotone
bifocal
bivalve
divide
triangle
tripod
trilogy
quadrilateral
pentagon
quintet
hexagon
heptagon/septet
octagon
octopus
nonagon
decade
decimal
hex-/sex- = 6
sept-/hept- = 7
oct- = 8
non- = 9
dec- = 10
hex-/sex- = 6
sept-/hept- = 7
oct- = 8
non- = 9
dec- = 10
*The challenge list includes prefixes you will
need to research on your own.
unilateral
unanimous
monologue
monotheist
divergent
biannually
triumvirate
quadrangle
pentameter
quintuplets
sextuplets
septennial/heptagonal
octogenarian
nonagenarian
decimate
centennial
kilobyte
millisecond
nanosecond
teraflop