equal vs adequateness

equal and adequateness both are nouns.

Word	Noun	Adjective	Verb	Adverb
equal	Yes	Yes	Yes	No
adequateness	Yes	No	No	No

equal (noun)	adequateness (noun)
a person who is of equal standing with another in a group	the quality of being able to meet a need satisfactorily:

equal (adjective)	adequateness (adjective)
having the same quantity, value, or measure as another
having the requisite qualities or resources to meet a task

equal (verb)	adequateness (verb)
make equal, uniform, corresponding, or matching
be identical or equivalent to
be equal to in quality or ability