lay vs entomb

lay is a noun but entomb is not a noun.

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

As verbs, entomb is a hyponym of lay; that is, entomb is a word with a more specific, narrower meaning than lay:

Other hyponyms of lay include rail, lay, blow, bury, inhume, inter, lay to rest, rebury.

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

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

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