love vs eff

love is a noun but eff is not a noun.

Word	Noun	Adjective	Verb	Adverb
love	Yes	No	Yes	No
eff	No	No	Yes	No

As verbs, love and eff are synonyms defined as:

love (noun)	eff (noun)
sexual activities (often including sexual intercourse) between two people
any object of warm affection or devotion
a strong positive emotion of regard and affection
a deep feeling of sexual desire and attraction
a beloved person; used as terms of endearment
a score of zero in tennis or squash

love (verb)	eff (verb)
have sexual intercourse with	have sexual intercourse with
have a great affection or liking for
be enamored or in love with
get pleasure from