craniology vs bioscience

craniology and bioscience both are nouns.

Word	Noun	Adjective	Verb	Adverb
craniology	Yes	No	No	No
bioscience	Yes	No	No	No

As nouns, bioscience is a hypernym of craniology; that is, bioscience is a word with a broader meaning than craniology:

craniology: the scientific study of the skulls of various human races
bioscience: any of the branches of natural science dealing with the structure and behavior of living organisms

Other hypernyms of craniology include life science.

craniology (noun)	bioscience (noun)
the scientific study of the skulls of various human races	any of the branches of natural science dealing with the structure and behavior of living organisms