enlarge vs expand

enlarge and expand both are verbs.

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

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

Other hyponyms of enlarge include ream, deepen.

As verbs, enlarge and expand are synonyms defined as:

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

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

enlarge (verb)	expand (verb)
become larger or bigger	grow vigorously
make large	exaggerate or make bigger
make larger	become larger in size or volume or quantity
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing	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