nucleus vs midpoint

nucleus and midpoint both are nouns.

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

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

nucleus: the positively charged dense center of an atom
midpoint: a point equidistant from the ends of a line or the extremities of a figure

Other hypernyms of nucleus include center, centre.

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

nucleus: (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
midpoint: a point equidistant from the ends of a line or the extremities of a figure

Other hypernyms of nucleus include center, centre.

nucleus (noun)	midpoint (noun)
a part of the cell containing DNA and RNA and responsible for growth and reproduction	a point equidistant from the ends of a line or the extremities of a figure
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the central structure of the lens that is surrounded by the cortex
a small group of indispensable persons or things
the positively charged dense center of an atom
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail