audio vs oftenness

audio and oftenness both are nouns.

Word	Noun	Adjective	Verb	Adverb
audio	Yes	No	No	No
oftenness	Yes	No	No	No

As nouns, oftenness is a hypernym of audio; that is, oftenness is a word with a broader meaning than audio:

Other hypernyms of audio include frequence, frequency.

audio (noun)	oftenness (noun)
the sound elements of television	the number of occurrences within a given time period
a recording of acoustic signals
an audible acoustic wave frequency
the audible part of a transmitted signal