immediacy vs straightness

immediacy and straightness both are nouns.

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

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

Other hypernyms of immediacy include directness.

immediacy (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
immediate intuitive awareness	(of hair) lack of a tendency to curl
	having honest intentions
	trueness of course toward a goal