programmer vs gamedev

programmer and gamedev both are nouns.

Word	Noun	Adjective	Verb	Adverb
programmer	Yes	No	No	No
gamedev	Yes	No	No	No

As nouns, gamedev is a hyponym of programmer; that is, gamedev is a word with a more specific, narrower meaning than programmer:

Other hyponyms of programmer include cracker, hacker, cyber-terrorist, cyberpunk.

programmer (noun)	gamedev (noun)
a person who designs and writes and tests computer programs	someone who develops a game