have vs lack

have and lack both are nouns.

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

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

have (verb)	lack (verb)
cause to be born	be without
suffer from; be ill with	To be insufficiently prepared
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