diaphragm vs camera

diaphragm and camera both are nouns.

Word	Noun	Adjective	Verb	Adverb
diaphragm	Yes	No	No	No
camera	Yes	No	No	No

diaphragm (noun)	camera (noun)
a mechanical device in a camera that controls size of aperture of the lens	equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
electro-acoustic transducer that vibrates to receive or produce sound waves	television equipment consisting of a lens system that focuses an image on a photosensitive mosaic that is scanned by an electron beam
a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
(anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration