allusiveness vs indirectness

allusiveness and indirectness both are nouns.

Word	Noun	Adjective	Verb	Adverb
allusiveness	Yes	No	No	No
indirectness	Yes	No	No	No

As nouns, indirectness is a hypernym of allusiveness; that is, indirectness is a word with a broader meaning than allusiveness:

allusiveness: a quality characterized by indirect reference
indirectness: having the characteristic of lacking a true course toward a goal

allusiveness (noun)	indirectness (noun)
a quality characterized by indirect reference	having the characteristic of lacking a true course toward a goal