Nitrospan vs Nitrospan

Nitrospan and Nitrospan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nitrospan	Yes	No	No	No
Nitrospan	Yes	No	No	No

Nitrospan (noun)	Nitrospan (noun)
trade names for nitroglycerin used as a coronary vasodilator in the treatment of angina pectoris	trade names for nitroglycerin used as a coronary vasodilator in the treatment of angina pectoris
a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat)	a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol; used in making explosives and medically as a vasodilator (trade names Nitrospan and Nitrostat)