specialise vs enlarge

specialise and enlarge both are verbs.

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

As verbs, enlarge is a hypernym of specialise; that is, enlarge is a word with a broader meaning than specialise:

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

Other hypernyms of specialise include dilate, elaborate, expand, expatiate, exposit, expound, flesh out, lucubrate.

specialise (verb)	enlarge (verb)
become more focused on an area of activity or field of study	become larger or bigger
suit to a special purpose	make large
evolve so as to lead to a new species or develop in a way most suited to the environment	make larger
be specific about	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
devote oneself to a special area of work