mutual fund vs open-end fund

mutual fund and open-end fund both are nouns.

Word	Noun	Adjective	Verb	Adverb
mutual fund	Yes	No	No	No
open-end fund	Yes	No	No	No

As nouns, mutual fund and open-end fund are synonyms defined as:

mutual fund and open-end fund: a regulated investment company with a pool of assets that regularly sells and redeems its shares

Other synonyms of mutual fund include mutual fund company, open-end investment company.

mutual fund (noun)	open-end fund (noun)
a regulated investment company with a pool of assets that regularly sells and redeems its shares	a regulated investment company with a pool of assets that regularly sells and redeems its shares
the pooled money that is invested in assets