airlock vs chamber

airlock and chamber both are nouns.

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

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

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

airlock (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

airlock (verb)	chamber (verb)
	place in a chamber