Q: Sentence (1) The part of his hair was slightly to the left.
Sentence (2) His part was right in the middle.. Word: part.
==--==
A: the same meaning

Q: Sentence (1) Raise a smile.
Sentence (2) Raise your hands.. Word: raise.
==--==
A: different meanings

Q: Sentence (1) Spray paint on the wall.
Sentence (2) Spray water on someone.. Word: spray.
==--==
A:
the same meaning