instal vs lay

instal is not a noun while lay is a noun.

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

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

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

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

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

instal (verb)	lay (verb)
set up for use	put in a horizontal position
place	put into a certain place or abstract location
put into an office or a position	lay eggs
	prepare or position for action or operation
	impose as a duty, burden, or punishment