wheelhouse
yes
Well, it is made up of the word wheel and the word chair. That pretty much makes it a compound word.
yes
Peacetime
The word is treetop.
The word is "peacetime" - the EA pair has a long E sound, the same as made by EE in wheel.
peacetime
A rotary sugar crusher is an example of a compound machine that has a wheel and an axle.
Yes a lawn mower is a compound machine. Example: The wheel is a wheel and axle.
No, building is not a compound word.
The contraction (not a compound word) is doesn't.
Upwards is a compound word.