life office vs business office

life office and business office both are nouns.

Word	Noun	Adjective	Verb	Adverb
life office	Yes	No	No	No
business office	Yes	No	No	No

As nouns, business office is a hypernym of life office; that is, business office is a word with a broader meaning than life office:

life office: life assurance office
business office: place of business where professional or clerical duties are performed

Other hypernyms of life office include office.

life office (noun)	business office (noun)
life assurance office	place of business where professional or clerical duties are performed