carbamide vs urea

carbamide and urea both are nouns.

Word	Noun	Adjective	Verb	Adverb
carbamide	Yes	No	No	No
urea	Yes	No	No	No

As nouns, carbamide and urea are synonyms defined as:

carbamide and urea: the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics

carbamide (noun)	urea (noun)
the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics	the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics