warfarin vs Coumadin

warfarin and Coumadin both are nouns.

Word	Noun	Adjective	Verb	Adverb
warfarin	Yes	No	No	No
Coumadin	Yes	No	No	No

As nouns, warfarin and Coumadin are synonyms defined as:

warfarin and Coumadin: an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus

warfarin (noun)	Coumadin (noun)
an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus	an anticoagulant (trade name Coumadin) use to prevent and treat a thrombus or embolus