lucubrate vs elucidate

lucubrate and elucidate both are verbs.

Word	Noun	Adjective	Verb	Adverb
lucubrate	No	No	Yes	No
elucidate	No	No	Yes	No

As verbs, elucidate is a hypernym of lucubrate; that is, elucidate is a word with a broader meaning than lucubrate:

lucubrate: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
elucidate: make clear and (more) comprehensible

Other hypernyms of lucubrate include clarify, clear up.

lucubrate (verb)	elucidate (verb)
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing	make free from confusion or ambiguity; make clear
	make clear and (more) comprehensible