investment trust vs investment firm

investment trust and investment firm both are nouns.

Word	Noun	Adjective	Verb	Adverb
investment trust	Yes	No	No	No
investment firm	Yes	No	No	No

As nouns, investment trust and investment firm are synonyms defined as:

investment trust and investment firm: a financial institution that sells shares to individuals and invests in securities issued by other companies

Other synonyms of investment trust include fund, investment company.

investment trust (noun)	investment firm (noun)
a financial institution that sells shares to individuals and invests in securities issued by other companies	a financial institution that sells shares to individuals and invests in securities issued by other companies