rounder vs blood

rounder and blood both are nouns.

Word	Noun	Adjective	Verb	Adverb
rounder	Yes	No	No	No
blood	Yes	No	Yes	No

As nouns, blood is a hyponym of rounder; that is, blood is a word with a more specific, narrower meaning than rounder:

rounder (noun)	blood (noun)
a tool for rounding corners or edges	temperament or disposition
a dissolute person; usually a man who is morally unrestrained	the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets
	the hereditary derivation of an individual
	people viewed as members of a group
	a dissolute man in fashionable society

rounder (verb)	blood (verb)
	smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill