devising vs moviemaking

devising and moviemaking both are nouns.

Word	Noun	Adjective	Verb	Adverb
devising	Yes	No	No	No
moviemaking	Yes	No	No	No

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

Other hyponyms of devising include cartography, mapmaking, film making, movie making.

devising (noun)	moviemaking (noun)
the act that results in something coming to be	the production of movies