tetramethyldiarsine vs cacodyl

tetramethyldiarsine and cacodyl both are nouns.

Word	Noun	Adjective	Verb	Adverb
tetramethyldiarsine	Yes	No	No	No
cacodyl	Yes	No	No	No

As nouns, tetramethyldiarsine and cacodyl are synonyms defined as:

tetramethyldiarsine and cacodyl: a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air

tetramethyldiarsine (noun)	cacodyl (noun)
a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air	the univalent group derived from arsine
	a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air