specify vs expound

specify and expound both are verbs.

Word	Noun	Adjective	Verb	Adverb
specify	No	No	Yes	No
expound	No	No	Yes	No

As verbs, expound is a hypernym of specify; that is, expound is a word with a broader meaning than specify:

specify: be specific about
expound: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing

Other hypernyms of specify include dilate, elaborate, enlarge, expand, expatiate, exposit, flesh out, lucubrate.

specify (verb)	expound (verb)
design or destine	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
define clearly	state
select something or someone for a specific purpose
be specific about
decide upon or fix definitely
specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement
determine the essential quality of