retinal cone vs cone cell

retinal cone and cone cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
retinal cone	Yes	No	No	No
cone cell	Yes	No	No	No

As nouns, retinal cone and cone cell are synonyms defined as:

retinal cone and cone cell: a visual receptor cell in the retina that is sensitive to bright light and to color

Other synonyms of retinal cone include cone.

retinal cone (noun)	cone cell (noun)
a visual receptor cell in the retina that is sensitive to bright light and to color	a visual receptor cell in the retina that is sensitive to bright light and to color