boss vs chief

boss and chief both are nouns.

Word	Noun	Adjective	Verb	Adverb
boss	Yes	Yes	Yes	No
chief	Yes	Yes	No	No

As nouns, boss and chief are synonyms defined as:

Other synonyms of boss include foreman, gaffer, honcho.

boss (noun)	chief (noun)
a circular rounded projection or protuberance	a person who is in charge
a person responsible for hiring workers	a person who exercises control over workers
a person who exercises control over workers	the head of a tribe or clan
a leader in a political party who controls votes and dictates appointments
a person who exercises control and makes decisions

boss (adjective)	chief (adjective)
exceptionally good	most important element

boss (verb)	chief (verb)
raise in a relief