indetermination vs indefiniteness

indetermination and indefiniteness both are nouns.

Word	Noun	Adjective	Verb	Adverb
indetermination	Yes	No	No	No
indefiniteness	Yes	No	No	No

As nouns, indetermination and indefiniteness are synonyms defined as:

indetermination and indefiniteness: the quality of being vague and poorly defined

Other synonyms of indetermination include indefinity, indeterminacy, indeterminateness.

indetermination (noun)	indefiniteness (noun)
the quality of being vague and poorly defined	the quality of being vague and poorly defined