laic vs lay

laic is not a noun while lay is a noun.

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

As adjectives, laic and lay are synonyms defined as:

Other synonyms of laic include secular.

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

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

laic (verb)	lay (verb)
	put in a horizontal position
	put into a certain place or abstract location
	lay eggs
	prepare or position for action or operation
	impose as a duty, burden, or punishment