air lock vs chamber

air lock and chamber both are nouns.

Word	Noun	Adjective	Verb	Adverb
air lock	Yes	No	No	No
chamber	Yes	No	Yes	No

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

air lock: a chamber that provides access to space where air is under pressure
chamber: a natural or artificial enclosed space

air lock (noun)	chamber (noun)
a chamber that provides access to space where air is under pressure	a natural or artificial enclosed space
	a room used primarily for sleeping
	a room where a judge transacts business
	an enclosed volume in the body
	a deliberative or legislative or administrative or judicial assembly

air lock (verb)	chamber (verb)
	place in a chamber