photocell vs photoelectric cell

photocell and photoelectric cell both are nouns.

Word	Noun	Adjective	Verb	Adverb
photocell	Yes	No	No	No
photoelectric cell	Yes	No	No	No

As nouns, photocell and photoelectric cell are synonyms defined as:

photocell and photoelectric cell: a transducer used to detect and measure light and other radiations

Other synonyms of photocell include electric eye, magic eye, photoconductive cell.

photocell (noun)	photoelectric cell (noun)
a transducer used to detect and measure light and other radiations	a transducer used to detect and measure light and other radiations