fervor vs sensation

fervor and sensation both are nouns.

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

As nouns, sensation is a hyponym of fervor; that is, sensation is a word with a more specific, narrower meaning than fervor:

Other hyponyms of fervor include fever, fever pitch, feverishness.

fervor (noun)	sensation (noun)
feelings of great warmth and intensity	an unelaborated elementary awareness of stimulation
the state of being emotionally aroused and worked up	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