bight vs midpoint

bight and midpoint both are nouns.

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

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

bight: the middle part of a slack rope (as distinguished from its ends)
midpoint: a point equidistant from the ends of a line or the extremities of a figure

Other hypernyms of bight include center, centre.

bight (noun)	midpoint (noun)
the middle part of a slack rope (as distinguished from its ends)	a point equidistant from the ends of a line or the extremities of a figure
a broad bay formed by an indentation in the shoreline
a bend or curve (especially in a coastline)
a loop in a rope

bight (verb)	midpoint (verb)
fasten with a bight