exclude vs lack

exclude is not a noun while lack is a noun.

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

As verbs, lack is a hypernym of exclude; that is, lack is a word with a broader meaning than exclude:

Other hypernyms of exclude include miss.

exclude (noun)	lack (noun)
	the state of needing something that is absent or unavailable

exclude (verb)	lack (verb)
prevent from being included or considered or accepted	be without
prevent from entering; keep out	To be insufficiently prepared
put out or expel from a place
prevent from entering; shut out
lack or fail to include