In obsolete|lang=en terms the difference between proof and resist
is that
proof is (obsolete) armour of excellent or tried quality, and deemed impenetrable; properly, armour of proof while
resist is (obsolete) to be distasteful to.
As nouns the difference between proof and resist
is that
proof is (countable) an effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial while
resist is a protective coating or covering
[oxford english dictionary , 2nd ed, 1989].
As verbs the difference between proof and resist
is that
proof is to proofread while
resist is to attempt to counter the actions or effects of.
As an adjective proof
is used in proving or testing.