As nouns the difference between remains and skeleton
is that
remains is what is left after a person (or any organism) dies; a corpse while
skeleton is (anatomy) the system that provides support to an organism, internal and made up of bones and cartilage in vertebrates, external in some other animals.
As verbs the difference between remains and skeleton
is that
remains is (
remain) while
skeleton is (archaic) to reduce to a skeleton; to skin; to skeletonize.