immediateness vs straightness

immediateness and straightness both are nouns.

Word	Noun	Adjective	Verb	Adverb
immediateness	Yes	No	No	No
straightness	Yes	No	No	No

As nouns, straightness is a hypernym of immediateness; that is, straightness is a word with a broader meaning than immediateness:

Other hypernyms of immediateness include directness.

immediateness (noun)	straightness (noun)
the quickness of action or occurrence	a sexual attraction to (or sexual relations with) persons of the opposite sex
lack of an intervening or mediating agency	freedom from crooks or curves or bends or angles
	(of hair) lack of a tendency to curl
	having honest intentions
	trueness of course toward a goal