Metrazol vs pentylenetetrazol

Metrazol and pentylenetetrazol both are nouns.

Word	Noun	Adjective	Verb	Adverb
Metrazol	Yes	No	No	No
pentylenetetrazol	Yes	No	No	No

As nouns, Metrazol and pentylenetetrazol are synonyms defined as:

Metrazol and pentylenetetrazol: a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark

Other synonyms of Metrazol include pentamethylenetetrazol.

Metrazol (noun)	pentylenetetrazol (noun)
a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark	a drug used as a circulatory and respiratory stimulant; larger doses cause convulsions in shock therapy; Metrazol is a trademark