bone marrow vs kickshaw

bone marrow and kickshaw both are nouns.

Word	Noun	Adjective	Verb	Adverb
bone marrow	Yes	No	No	No
kickshaw	Yes	No	No	No

As nouns, kickshaw is a hypernym of bone marrow; that is, kickshaw is a word with a broader meaning than bone marrow:

Other hypernyms of bone marrow include dainty, delicacy, goody, treat.

bone marrow (noun)	kickshaw (noun)
the fatty network of connective tissue that fills the cavities of bones	something considered choice to eat
very tender and very nutritious tissue from marrowbones