多作 - JP-EN Jisho

多(た)作(さく)

nouns which may take the genitive case particle 'no'adjectival nouns or quasi-adjectives (keiyodoshi)

prolific (writer, artist, etc.); productive

Antonyms:

noun (common) (futsuumeishi)noun or participle which takes the aux. verb suru

producing many works; writing prolifically