expand vs exposit

expand and exposit both are verbs.

Word	Noun	Adjective	Verb	Adverb
expand	No	No	Yes	No
exposit	No	No	Yes	No

As verbs, expand and exposit are synonyms defined as:

expand and exposit: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

Other synonyms of expand include dilate, elaborate, enlarge, expatiate, expound, flesh out, lucubrate.

As verbs, exposit is a hyponym of expand; that is, exposit is a word with a more specific, narrower meaning than expand:

expand: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
exposit: state

expand (verb)	exposit (verb)
grow vigorously	state
exaggerate or make bigger	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
become larger in size or volume or quantity
expand the influence of
make bigger or wider in size, volume, or quantity
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
extend in one or more directions