cylinder vs chamber

cylinder and chamber both are nouns.

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

As nouns, chamber is a hypernym of cylinder; that is, chamber is a word with a broader meaning than cylinder:

cylinder (noun)	chamber (noun)
a cylindrical container for oxygen or compressed air	a natural or artificial enclosed space
a chamber within which piston moves	a room used primarily for sleeping
a surface generated by rotating a parallel line around a fixed line	a room where a judge transacts business
a solid bounded by a cylindrical surface and two parallel planes (the bases)	an enclosed volume in the body
	a deliberative or legislative or administrative or judicial assembly

cylinder (verb)	chamber (verb)
	place in a chamber