chemoreceptor vs sense organ

chemoreceptor and sense organ both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemoreceptor	Yes	No	No	No
sense organ	Yes	No	No	No

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

chemoreceptor: a sensory receptor that responds to chemical stimuli
sense organ: 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 chemoreceptor include receptor, sensory receptor.

chemoreceptor (noun)	sense organ (noun)
a sensory receptor that responds to chemical stimuli	an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation