arsenic trioxide vs ratsbane

arsenic trioxide and ratsbane both are nouns.

Word	Noun	Adjective	Verb	Adverb
arsenic trioxide	Yes	No	No	No
ratsbane	Yes	No	No	No

As nouns, arsenic trioxide and ratsbane are synonyms defined as:

arsenic trioxide and ratsbane: a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer

Other synonyms of arsenic trioxide include arsenic, arsenous anhydride, arsenous oxide, white arsenic.

arsenic trioxide (noun)	ratsbane (noun)
a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer	a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer