pith vs gist

pith and gist both are nouns.

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

As nouns, pith and gist are synonyms defined as:

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

pith (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
soft spongelike central cylinder of the stems of most flowering plants	the central meaning or theme of a speech or literary work

pith (verb)	gist (verb)
remove the pith from (a plant)