nub vs gist

nub and gist both are nouns.

Word	Noun	Adjective	Verb	Adverb
nub	Yes	No	No	No
gist	Yes	No	No	No

As nouns, nub and gist are synonyms defined as:

nub and gist: the choicest or most essential or most vital part of some idea or experience

nub (noun)	gist (noun)
the choicest or most essential or most vital part of some idea or experience	the choicest or most essential or most vital part of some idea or experience
a small piece	the central meaning or theme of a speech or literary work
a small lump or protuberance