enactment vs nullity

enactment and nullity both are nouns.

Word	Noun	Adjective	Verb	Adverb
enactment	Yes	No	No	No
nullity	Yes	No	No	No

As nouns, nullity is a hyponym of enactment; that is, nullity is a word with a more specific, narrower meaning than enactment:

enactment: a legal document codifying the result of deliberations of a committee or society or legislative body
nullity: something that is null (especially an enactment that has no legal validity)

Other hyponyms of enactment include decree, edict, fiat, order, rescript, legislative act, statute.

enactment (noun)	nullity (noun)
acting the part of a character on stage; dramatically representing the character by speech and action and gesture	something that is null (especially an enactment that has no legal validity)
the passing of a law by a legislative body	the state of nonexistence
a legal document codifying the result of deliberations of a committee or society or legislative body