superpose vs lay

superpose is not a noun while lay is a noun.

Word	Noun	Adjective	Verb	Adverb
superpose	No	No	Yes	No
lay	Yes	Yes	Yes	No

As verbs, lay is a hypernym of superpose; that is, lay is a word with a broader meaning than superpose:

superpose: place (one geometric figure) upon another so that their perimeters coincide
lay: put into a certain place or abstract location

Other hypernyms of superpose include place, pose, position, put, set.

As verbs, lay is a hypernym of superpose; that is, lay is a word with a broader meaning than superpose:

Other hypernyms of superpose include place, pose, position, put, set.

superpose (noun)	lay (noun)
	a narrative poem of popular origin
	a narrative song with a recurrent refrain

superpose (adjective)	lay (adjective)
	not of or from a profession
	characteristic of those who are not members of the clergy

superpose (verb)	lay (verb)
place (one geometric figure) upon another so that their perimeters coincide	put in a horizontal position
place on top of	put into a certain place or abstract location
	lay eggs
	prepare or position for action or operation
	impose as a duty, burden, or punishment