boffin vs research worker

boffin and research worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
boffin	Yes	No	No	No
research worker	Yes	No	No	No

As nouns, research worker is a hypernym of boffin; that is, research worker is a word with a broader meaning than boffin:

boffin: (British slang) a scientist or technician engaged in military research
research worker: a scientist who devotes himself to doing research

Other hypernyms of boffin include investigator, researcher.

boffin (noun)	research worker (noun)
(British slang) a scientist or technician engaged in military research	a scientist who devotes himself to doing research