- atmo: vapor
- baro: pressure
- cardio: heart
- cosmo: world or universe
- counter: against
- cranio: skull
- cyclo: circle
- ferro: iron
- fore: front
- gno: know
- ideo: idea
- ish: like
- lepsy: attack
- less: without
- let: little
- monger: seller
- nano: billionth
- nesia: island
- oss: bone
- pico: trillionth
- quasi: somewhat
- sept: seven
- vas: vessel
- xeno: stranger
- xylo: wood
Word Within the Word # 18