cylinder vs stem

cylinder and stem both are nouns.

Word	Noun	Adjective	Verb	Adverb
cylinder	Yes	No	No	No
stem	Yes	No	Yes	No

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

cylinder: a surface generated by rotating a parallel line around a fixed line
stem: cylinder forming a long narrow part of something

Other hyponyms of cylinder include brake drum, drum, shank, shank, shank, stalactite, stalagmite, barrel, drum, pipe, tube.

cylinder (noun)	stem (noun)
a cylindrical container for oxygen or compressed air	a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
a chamber within which piston moves	front part of a vessel or aircraft
a surface generated by rotating a parallel line around a fixed line	the tube of a tobacco pipe
a solid bounded by a cylindrical surface and two parallel planes (the bases)	cylinder forming a long narrow part of something
	(linguistics) the form of a word after all affixes are removed
	a slender or elongated structure that supports a plant or fungus or a plant part or plant organ

cylinder (verb)	stem (verb)
	stop the flow of a liquid
	remove the stem from
	grow out of, have roots in, originate in
	cause to point inward