face the music vs assume

face the music and assume both are verbs.

Word	Noun	Adjective	Verb	Adverb
face the music	No	No	Yes	No
assume	No	No	Yes	No

As verbs, assume is a hypernym of face the music; that is, assume is a word with a broader meaning than face the music:

Other hypernyms of face the music include accept, bear, take over.

face the music (verb)	assume (verb)
accept the unpleasant consequences of one's actions	put clothing on one's body
	take on a certain form, attribute, or aspect
	take to be the case or to be true; accept without verification or proof
	take up someone's soul into heaven
	make a pretence of
	occupy or take on
	seize and take control without authority and possibly with force; take as one's right or possession
	take on as one's own the expenses or debts of another person
	take on titles, offices, duties, responsibilities