indeterminacy vs indefinity

indeterminacy and indefinity both are nouns.

Word	Noun	Adjective	Verb	Adverb
indeterminacy	Yes	No	No	No
indefinity	Yes	No	No	No

As nouns, indeterminacy and indefinity are synonyms defined as:

indeterminacy and indefinity: the quality of being vague and poorly defined

Other synonyms of indeterminacy include indefiniteness, indeterminateness, indetermination.

indeterminacy (noun)	indefinity (noun)
the quality of being vague and poorly defined	the quality of being vague and poorly defined