newcomer vs neophyte

newcomer and neophyte both are nouns.

Word	Noun	Adjective	Verb	Adverb
newcomer	Yes	No	No	No
neophyte	Yes	No	No	No

As nouns, newcomer and neophyte are synonyms defined as:

Other synonyms of newcomer include entrant, fledgeling, fledgling, freshman, newbie, starter.

newcomer (noun)	neophyte (noun)
any new participant in some activity	any new participant in some activity
a recent arrival	a new convert being taught the principles of Christianity by a catechist
	a plant that is found in an area where it had not been recorded previously