cacodyl vs tetramethyldiarsine

cacodyl and tetramethyldiarsine both are nouns.

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

As nouns, cacodyl and tetramethyldiarsine are synonyms defined as:

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

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