skeleton vs minimum

skeleton and minimum both are nouns.

Word	Noun	Adjective	Verb	Adverb
skeleton	Yes	No	No	No
minimum	Yes	Yes	No	No

As nouns, minimum is a hypernym of skeleton; that is, minimum is a word with a broader meaning than skeleton:

Other hypernyms of skeleton include lower limit.

skeleton (noun)	minimum (noun)
the internal supporting structure that gives an artifact its shape	the point on a curve where the tangent changes from negative on the left to positive on the right
the hard structure (bones and cartilages) that provides a frame for the body of an animal	the smallest possible quantity
a scandal that is kept secret
something reduced to its minimal form

skeleton (adjective)	minimum (adjective)
	the least possible