organ of hearing vs receptor

organ of hearing and receptor both are nouns.

Word	Noun	Adjective	Verb	Adverb
organ of hearing	Yes	No	No	No
receptor	Yes	No	No	No

As nouns, receptor is a hypernym of organ of hearing; that is, receptor is a word with a broader meaning than organ of hearing:

organ of hearing: the part of the ear that is responsible for sensations of sound
receptor: an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation

Other hypernyms of organ of hearing include sense organ, sensory receptor.

organ of hearing (noun)	receptor (noun)
the part of the ear that is responsible for sensations of sound	an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation
	a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response