Chancellor vs cabinet minister

Chancellor and cabinet minister both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chancellor	Yes	No	No	No
cabinet minister	Yes	No	No	No

As nouns, cabinet minister is a hypernym of Chancellor; that is, cabinet minister is a word with a broader meaning than Chancellor:

Chancellor (noun)	cabinet minister (noun)
the British cabinet minister responsible for finance	the job of a senior minister who is a member of the cabinet
	a person who is a member of the cabinet