ethylene tetrachloride vs tetrachloroethylene

ethylene tetrachloride and tetrachloroethylene both are nouns.

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

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

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

Other synonyms of ethylene tetrachloride include carbon dichloride, tetrachlorethylene.

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