lack vs have

lack and have both are nouns.

Word	Noun	Adjective	Verb	Adverb
lack	Yes	No	Yes	No
have	Yes	No	Yes	No

lack (noun)	have (noun)
the state of needing something that is absent or unavailable	a person who possesses great material wealth

lack (verb)	have (verb)
be without	cause to be born
To be insufficiently prepared	suffer from; be ill with
	undergo (as of injuries and illnesses)
	cause to move; cause to be in a certain position or condition
	undergo
	cause to do; cause to act in a specified manner
	serve oneself to, or consume regularly
	have sex with; archaic use
	organize or be responsible for
	go through (mental or physical states or experiences)
	have or possess, either in a concrete or an abstract sense
	achieve a point or goal
	get something; come into possession of
	have ownership or possession of
	receive willingly something given or offered
	have a personal or business relationship with someone
	have as a feature
	be confronted with