gist vs burden

gist and burden both are nouns.

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

As nouns, gist and burden are synonyms defined as:

gist and burden: the central meaning or theme of a speech or literary work

Other synonyms of gist include core, effect, essence.

gist (noun)	burden (noun)
the choicest or most essential or most vital part of some idea or experience	weight to be borne or conveyed
the central meaning or theme of a speech or literary work	the central idea that is expanded in a document or discourse
	an onerous or difficult concern
	the central meaning or theme of a speech or literary work

gist (verb)	burden (verb)
	impose a task upon, assign a responsibility to
	weight down with a load