red cent vs ineptitude

red cent and ineptitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
red cent	Yes	No	No	No
ineptitude	Yes	No	No	No

As nouns, ineptitude is a hypernym of red cent; that is, ineptitude is a word with a broader meaning than red cent:

Other hypernyms of red cent include worthlessness.

red cent (noun)	ineptitude (noun)
something of little value	having no qualities that would render it valuable or useful
	unskillfulness resulting from a lack of training