perception vs sensation

perception and sensation both are nouns.

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

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

perception (noun)	sensation (noun)
becoming aware of something via the senses	an unelaborated elementary awareness of stimulation
the process of perceiving	the faculty through which the external world is apprehended
the representation of what is perceived; basic component in the formation of a concept	a general feeling of excitement and heightened interest
a way of conceiving something	someone who is dazzlingly skilled in any field
knowledge gained by perceiving	a state of widespread public excitement and interest