lachrymator vs teargas

lachrymator and teargas both are nouns.

Word	Noun	Adjective	Verb	Adverb
lachrymator	Yes	No	No	No
teargas	Yes	No	Yes	No

As nouns, lachrymator and teargas are synonyms defined as:

lachrymator and teargas: a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds

Other synonyms of lachrymator include lacrimator, tear gas.

lachrymator (noun)	teargas (noun)
a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds	a gas that makes the eyes fill with tears but does not damage them; used in dispersing crowds

lachrymator (verb)	teargas (verb)
	attack with teargas; subject to teargas fumes