enough vs sufficiency

enough and sufficiency both are nouns.

Word	Noun	Adjective	Verb	Adverb
enough	Yes	Yes	No	Yes
sufficiency	Yes	No	No	No

As nouns, enough and sufficiency are synonyms defined as:

enough and sufficiency: an adequate quantity; a quantity that is large enough to achieve a purpose

enough (noun)	sufficiency (noun)
an adequate quantity; a quantity that is large enough to achieve a purpose	the quality of being sufficient for the end in view
	an adequate quantity; a quantity that is large enough to achieve a purpose
	sufficient resources to provide comfort and meet obligations

enough (adjective)	sufficiency (adjective)
sufficient for the purpose

enough (adverb)	sufficiency (adverb)
as much as necessary