sensation vs excitation

sensation and excitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
sensation	Yes	No	No	No
excitation	Yes	No	No	No

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

Other hypernyms of sensation include excitement, fervor, fervour, inflammation.

sensation (noun)	excitation (noun)
an unelaborated elementary awareness of stimulation	something that agitates and arouses
the faculty through which the external world is apprehended	the neural or electrical arousal of an organ or muscle or gland
a general feeling of excitement and heightened interest	the state of being emotionally aroused and worked up
someone who is dazzlingly skilled in any field
a state of widespread public excitement and interest