CRT vs screen

CRT and screen both are nouns.

Word	Noun	Adjective	Verb	Adverb
CRT	Yes	No	No	No
screen	Yes	No	Yes	No

CRT (noun)	screen (noun)
a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen	a protective covering consisting of netting; can be mounted in a frame
	a covering that serves to conceal or shelter something
	a strainer for separating lumps from powdered material or grading particles
	partition consisting of a decorative frame or panel that serves to divide a space
	a protective covering that keeps things out or hinders sight
	the display that is electronically created on the surface of the large end of a cathode-ray tube
	a white or silvered surface where pictures can be projected for viewing
	the personnel of the film industry

CRT (verb)	screen (verb)
	examine methodically
	protect, hide, or conceal from danger or harm
	prevent from entering
	separate with a riddle, as grain from chaff
	project onto a screen for viewing
	examine in order to test suitability
	test or examine for the presence of disease or infection