typewriter vs portable

typewriter and portable both are nouns.

Word	Noun	Adjective	Verb	Adverb
typewriter	Yes	No	No	No
portable	Yes	Yes	No	No

As nouns, portable is a hyponym of typewriter; that is, portable is a word with a more specific, narrower meaning than typewriter:

typewriter: hand-operated character printer for printing written messages one character at a time
portable: a small light typewriter; usually with a case in which it can be carried

Other hyponyms of typewriter include electric typewriter, stenograph.

typewriter (noun)	portable (noun)
hand-operated character printer for printing written messages one character at a time	a small light typewriter; usually with a case in which it can be carried

typewriter (adjective)	portable (adjective)
	easily or conveniently transported
	of a motor designed to be attached to the outside of a boat's hull