dicoumarol vs dicumarol

dicoumarol and dicumarol both are nouns.

Word	Noun	Adjective	Verb	Adverb
dicoumarol	Yes	No	No	No
dicumarol	Yes	No	No	No

As nouns, dicoumarol and dicumarol are synonyms defined as:

dicoumarol and dicumarol: an anticoagulant drug that has now been largely replaced by warfarin

dicoumarol (noun)	dicumarol (noun)
an anticoagulant drug that has now been largely replaced by warfarin	an anticoagulant drug that has now been largely replaced by warfarin