opus (n.)

• adaptation
• arrangement
• article
• artifact
• autograph
• book
• brainchild
• child
• classic
• coinage
• composition
• concoction
• copy
• creation
• creature
• descant
• distillation
• document
• draft
• effect
• engrossment
• essay
• essence
• etude
• exercise
• extract
• fiction
• flimsy
• folio
• fruit
• handiwork
• hardback
• harmonization
• holograph
• invention
• issue
• juvenile
• letter
• literature
• lucubration
• manufacture
• manuscript
• masterpiece
• matter
• mintage
• nocturne
• nonfiction
• notebook
• novel
• oeuvre
• offspring
• opera
• orchestration
• original
• origination
• outcome
• outgrowth
• paper
• paperback
• parchment
• piece
• play
• playbook
• poem
• printout
• product
• production
• psalter
• publication
• result
• score
• screed
• scrip
• script
• scroll
• serial
• sketchbook
• soft-cover
• sonata
• sonatina
• songbook
• storybook
• study
• title
• tome
• transcript
• transcription
• trio
• typescript
• variation
• version
• volume
• work
• writing