atmo
vapor (atmosphere)
cardio
heart (cardiology)
cosmo
world or universe (cosmos)
counter
against (counteract)
cranio
skull (cranium)
Cyclo
circle (bicycle)
gno
know (prognosis)
oss
bone (ossiferous)
xylo
wood (xylophone)
monger
seller (fishmonger)
sept
seven (September)
xeno
stranger (xenon)
vas
vessel (vase)
fore
front (forehead)
ish
like (snobbish)
less
without (fruitless)
baro
pressure (barometric)
ferro
iron (ferrous)
quasi
somewhat (quasi-military)
nesia
island (Polynesia)
lepsy
attack (epilepsy)
let
little (piglet)
nano
billionth (nanosecond)
pico
trillrionth (picosecond)