pull a face vs squinch

pull a face is not a noun while squinch is a noun.

Word	Noun	Adjective	Verb	Adverb
pull a face	No	No	Yes	No
squinch	Yes	No	Yes	No

As verbs, squinch is a hyponym of pull a face; that is, squinch is a word with a more specific, narrower meaning than pull a face:

pull a face: contort the face to indicate a certain mental or emotional state
squinch: cross one's eyes as if in strabismus

Other hyponyms of pull a face include squint, wince, smile, frown, glower, lour, lower, screw up, mop, mow, pout.

pull a face (noun)	squinch (noun)
	a small arch built across the interior angle of two walls (usually to support a spire)

pull a face (verb)	squinch (verb)
contort the face to indicate a certain mental or emotional state	cross one's eyes as if in strabismus
	draw back, as with fear or pain
	crouch down