novocaine vs Novocain

novocaine and Novocain both are nouns.

Word	Noun	Adjective	Verb	Adverb
novocaine	Yes	No	No	No
Novocain	Yes	No	No	No

As nouns, novocaine and Novocain are synonyms defined as:

novocaine and Novocain: procaine administered as a hydrochloride (trade name Novocain)

Other synonyms of novocaine include procaine hydrochloride.

novocaine (noun)	Novocain (noun)
procaine administered as a hydrochloride (trade name Novocain)	procaine administered as a hydrochloride (trade name Novocain)