entrant vs newbie

entrant and newbie both are nouns.

Word	Noun	Adjective	Verb	Adverb
entrant	Yes	No	No	No
newbie	Yes	No	No	No

As nouns, entrant and newbie are synonyms defined as:

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

entrant (noun)	newbie (noun)
a commodity that enters competition with established merchandise	any new participant in some activity
one who enters a competition
any new participant in some activity
someone who enters