Greek & Latin

Meaning in English
mega-, megalo-, makro-; magni-, grandi- big
micro-; parvi- little
macro-, dolicho; longi- long
brachy-; brevi- short
eury, platy-; lati- wide
steno-; angusti- narrow
cyclo-, gyro; circuli- round
quadrati- rectanguli- square
pachy-, pycno-, steato-;crassi- thick
lepto-; tenui- thin
bary-; gravi- heavy
sclero-, scirrho-; duri- hard
malaco-; molli- soft
hygro-, hydro-; humidi- wet
xero-; sicci- dry (Xerox®)
oxy-; acri- sharp
cryo- psychro-; frigidi- cold
thermo-; calidi- hot
dexio-; dextri- right
scaio-; scaevo- levi, sinistri- left
proso-, proto-; frontali- front
meso-; medio- middle
poly-; multi- many
oligo-; pauci- few
stheno-; validi-, potenti- strong
hypo-; imi-, intimi- bottom
paleo-, archeo-; veteri-, seni- old
neo-, ceno-; novi new
crypto-, calypto-; operti- hidden
tauto-; identi- same
homo-, homeo-; simili- alike
eu-, kalo-, kallo-; boni- good
dys-, caco-; mali- bad
ceno-, coelo-; vacuo- empty
holo-; toti- entirely
idio-; proprio-, sui- one's own
allo-; alieni- another's
glyco-; dulci- sweet
picro-; amari- bitter
iso-; equi- equal
hetero-, allo-; vario- different