blood vs genealogy

blood and genealogy both are nouns.

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

As nouns, genealogy is a hypernym of blood; that is, genealogy is a word with a broader meaning than blood:

Other hypernyms of blood include family tree.

blood (noun)	genealogy (noun)
temperament or disposition	the study or investigation of ancestry and family history
the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets	successive generations of kin
the hereditary derivation of an individual
people viewed as members of a group
a dissolute man in fashionable society

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