love vs dote

love is a noun but dote is not a noun.

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

As verbs, dote is a hyponym of love; that is, dote is a word with a more specific, narrower meaning than love:

Other hyponyms of love include love, care for, cherish, hold dear, treasure, adore.

love (noun)	dote (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)	dote (verb)
have sexual intercourse with	shower with love; show excessive affection for
have a great affection or liking for	be foolish or senile due to old age
be enamored or in love with
get pleasure from