tab vs typewriter keyboard

tab and typewriter keyboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
tab	Yes	No	No	No
typewriter keyboard	Yes	No	No	No

tab (noun)	typewriter keyboard (noun)
a dose of medicine in the form of a small pellet	a keyboard for manually entering characters to be printed
a short strip of material attached to or projecting from something in order to facilitate opening or identifying or handling it
the key on a typewriter or a word processor that causes a tabulation
the bill in a restaurant
sensationalist journalism