ethylene tetrachloride vs tetrachlorethylene

ethylene tetrachloride and tetrachlorethylene both are nouns.

Word	Noun	Adjective	Verb	Adverb
ethylene tetrachloride	Yes	No	No	No
tetrachlorethylene	Yes	No	No	No

As nouns, ethylene tetrachloride and tetrachlorethylene are synonyms defined as:

ethylene tetrachloride and tetrachlorethylene: anthelmintic agent used against hookworm and other nematodes

Other synonyms of ethylene tetrachloride include carbon dichloride, tetrachloroethylene.

ethylene tetrachloride (noun)	tetrachlorethylene (noun)
anthelmintic agent used against hookworm and other nematodes	anthelmintic agent used against hookworm and other nematodes