indefinity vs indeterminateness

indefinity and indeterminateness both are nouns.

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

As nouns, indefinity and indeterminateness are synonyms defined as:

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

Other synonyms of indefinity include indefiniteness, indeterminacy, indetermination.

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