inherent aptitude vs aptitude

inherent aptitude and aptitude both are nouns.

Word	Noun	Adjective	Verb	Adverb
inherent aptitude	Yes	No	No	No
aptitude	Yes	No	No	No

As nouns, aptitude is a hypernym of inherent aptitude; that is, aptitude is a word with a broader meaning than inherent aptitude:

inherent aptitude: inborn pattern of behavior often responsive to specific stimuli
aptitude: inherent ability

inherent aptitude (noun)	aptitude (noun)
inborn pattern of behavior often responsive to specific stimuli	inherent ability