lachrymator vs lacrimator

lachrymator and lacrimator both are nouns.

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

As nouns, lachrymator and lacrimator are synonyms defined as:

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

Other synonyms of lachrymator include tear gas, teargas.

lachrymator (noun)	lacrimator (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