sportiness vs manner

sportiness and manner both are nouns.

Word	Noun	Adjective	Verb	Adverb
sportiness	Yes	No	No	No
manner	Yes	No	No	No

As nouns, manner is a hypernym of sportiness; that is, manner is a word with a broader meaning than sportiness:

sportiness: The characteristic appearance and behavior of people who partake in sports.
manner: how something is done or how it happens

Other hypernyms of sportiness include fashion, mode, style, way.

sportiness (noun)	manner (noun)
The characteristic appearance and behavior of people who partake in sports.	a way of acting or behaving
	how something is done or how it happens
	a kind