sensation vs mental faculty

sensation and mental faculty both are nouns.

Word	Noun	Adjective	Verb	Adverb
sensation	Yes	No	No	No
mental faculty	Yes	No	No	No

As nouns, mental faculty is a hypernym of sensation; that is, mental faculty is a word with a broader meaning than sensation:

sensation: the faculty through which the external world is apprehended
mental faculty: one of the inherent cognitive or perceptual powers of the mind

Other hypernyms of sensation include faculty, module.

sensation (noun)	mental faculty (noun)
an unelaborated elementary awareness of stimulation	one of the inherent cognitive or perceptual powers of the mind
the faculty through which the external world is apprehended
a general feeling of excitement and heightened interest
someone who is dazzlingly skilled in any field
a state of widespread public excitement and interest