bowels vs midpoint

bowels and midpoint both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowels	Yes	No	No	No
midpoint	Yes	No	No	No

As nouns, midpoint is a hypernym of bowels; that is, midpoint is a word with a broader meaning than bowels:

bowels: the center of the Earth
midpoint: a point equidistant from the ends of a line or the extremities of a figure

Other hypernyms of bowels include center, centre.

bowels (noun)	midpoint (noun)
the center of the Earth	a point equidistant from the ends of a line or the extremities of a figure