i.e. is Latin - id est, so the 3 letter word is est
int-, ie intra, inter
A part of an umbrella is the rib.
End.
way
The word is "end."
cob
humanhey
3 letter word for old oldsmobile
Another 3 letter word for respect is awe.
A 3 letter word meaning pallid is wan.
pat pin put pit pie pig
pontoon