Q: Sentence (1) Restore law and order.
Sentence (2) He restored my lost faith in him by doing a good deed.. Word: restore.
==--==
A: the same meaning

Q: Sentence (1) It is important to use flux when soldering or oxides on the metal will prevent a good bond.
Sentence (2) His opinions are in flux.. Word: flux.
==--==
A: different meanings

Q: Sentence (1) Receive letters from the front.
Sentence (2) He received Christ.. Word: receive.
==--==
A:
different meanings