salvation vs conversion

salvation and conversion both are nouns.

Word	Noun	Adjective	Verb	Adverb
salvation	Yes	No	No	No
conversion	Yes	No	No	No

As nouns, conversion is a hyponym of salvation; that is, conversion is a word with a more specific, narrower meaning than salvation:

salvation (noun)	conversion (noun)
(theology) the act of delivering from sin or saving from evil	the act of changing from one use or function or purpose to another
a means of preserving from harm or unpleasantness	a spiritual enlightenment causing a person to lead a new life
saving someone or something from harm or from an unpleasant situation	a successful free throw or try for point after a touchdown
the state of being saved or preserved from harm	act of exchanging one type of money or security for another
	a change in the units or form of an expression:
	interchange of subject and predicate of a proposition
	an event that results in a transformation
	a change of religion
	(psychiatry) a defense mechanism represses emotional conflicts which are then converted into physical symptoms that have no organic basis