mop vs make a face

mop is a noun but make a face is not a noun.

Word	Noun	Adjective	Verb	Adverb
mop	Yes	No	Yes	No
make a face	No	No	Yes	No

As verbs, make a face is a hypernym of mop; that is, make a face is a word with a broader meaning than mop:

mop: make a sad face and thrust out one's lower lip
make a face: contort the face to indicate a certain mental or emotional state

Other hypernyms of mop include grimace, pull a face.

mop (noun)	make a face (noun)
cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors

mop (verb)	make a face (verb)
make a sad face and thrust out one's lower lip	contort the face to indicate a certain mental or emotional state
to wash or wipe with or as if with a mop