deserter vs apostate

deserter and apostate both are nouns.

Word	Noun	Adjective	Verb	Adverb
deserter	Yes	No	No	No
apostate	Yes	Yes	No	No

As nouns, deserter and apostate are synonyms defined as:

deserter and apostate: a disloyal person who betrays or deserts his cause or religion or political party or friend etc.

Other synonyms of deserter include ratter, recreant, renegade, turncoat.

deserter (noun)	apostate (noun)
a person who abandons their duty (as on a military post)	a disloyal person who betrays or deserts his cause or religion or political party or friend etc.
a disloyal person who betrays or deserts his cause or religion or political party or friend etc.

deserter (adjective)	apostate (adjective)
	not faithful to religion or party or cause