investment firm vs investment trust

investment firm and investment trust both are nouns.

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

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

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

Other synonyms of investment firm include fund, investment company.

investment firm (noun)	investment trust (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