selection vs excerpt

selection and excerpt both are nouns.

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

As nouns, selection and excerpt are synonyms defined as:

Other synonyms of selection include excerption, extract.

selection (noun)	excerpt (noun)
the act of choosing or selecting	a passage selected from a larger work
the person or thing chosen or selected
a passage selected from a larger work
an assortment of things from which a choice can be made
a natural process resulting in the evolution of organisms best adapted to the environment

selection (verb)	excerpt (verb)
	take out of a literary work in order to cite or copy