Blistering agent and Vesicatory

Blistering agent noun - A toxic war gas with sulfide based compounds that raises blisters and attacks the eyes and lungs; there is no known antidote.

Vesicatory and blistering agent are semantically related. In some cases you can use "Vesicatory" instead a noun phrase "Blistering agent".

Vesicatory noun - A chemical agent that causes blistering (especially mustard gas).

Blistering agent and vesicatory are semantically related. Sometimes you can replace phrase "Blistering agent" with "Vesicatory", this terms are similar.