excerpt vs quote

excerpt and quote both are nouns.

Word	Noun	Adjective	Verb	Adverb
excerpt	Yes	No	Yes	No
quote	Yes	No	Yes	No

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

excerpt (noun)	quote (noun)
a passage selected from a larger work	a punctuation mark used to attribute the enclosed text to someone else
	a passage or expression that is quoted or cited

excerpt (verb)	quote (verb)
take out of a literary work in order to cite or copy	repeat a passage from
	refer to for illustration or proof
	put quote marks around
	name the price of