deplore vs lament

deplore is not a noun while lament is a noun.

Word	Noun	Adjective	Verb	Adverb
deplore	No	No	Yes	No
lament	Yes	No	Yes	No

As verbs, deplore and lament are synonyms defined as:

Other synonyms of deplore include bemoan, bewail.

deplore (noun)	lament (noun)
	a mournful poem; a lament for the dead
	a song or hymn of mourning composed or performed as a memorial to a dead person
	a cry of sorrow and grief

deplore (verb)	lament (verb)
express strong condemnation of	regret strongly
regret strongly	express grief verbally