lover vs fangirl

lover and fangirl both are nouns.

Word	Noun	Adjective	Verb	Adverb
lover	Yes	No	No	No
fangirl	Yes	No	Yes	No

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

lover: an ardent follower and admirer
fangirl: A female fan who is obsessive about a particular subject (especially, someone or something in popular entertainment media)

lover (noun)	fangirl (noun)
a person who loves someone or is loved by someone	A female fan who is obsessive about a particular subject (especially, someone or something in popular entertainment media)
an ardent follower and admirer
a significant other to whom you are not related by marriage

lover (verb)	fangirl (verb)
	to be a extreme female fan of something