vesicatory vs vesicant

vesicatory and vesicant both are nouns.

Word	Noun	Adjective	Verb	Adverb
vesicatory	Yes	Yes	No	No
vesicant	Yes	Yes	No	No

As adjectives, vesicatory and vesicant are synonyms defined as:

As nouns, vesicatory and vesicant are synonyms defined as:

vesicatory and vesicant: a chemical agent that causes blistering (especially mustard gas)

vesicatory (noun)	vesicant (noun)
a chemical agent that causes blistering (especially mustard gas)	a chemical agent that causes blistering (especially mustard gas)

vesicatory (adjective)	vesicant (adjective)
causing blisters	causing blisters