new
"Tar" is a 3-letter word for old salt, in the nautical sense.
old
Old age.
Reo
A 3-letter word for jewel is gem.
A 3 letter word for oath is "vow"
Another 3 letter word for respect is awe.
A 3 letter word meaning pallid is wan.
The only 3-letter word that ends with YOU is the word you.
Aaa is the word that has 3 letters a
The 3 letter word for a group of kangaroos is mob.