parathesis /pə-rathˈi-sis/

1. Apposition (grammar)
2. The compounding of words without change, as (Latin) rēspūblica from rēs and pūblica (philology)

• write in
• write-in
• write-ins
• write off
• write-off
• write-offs
• write-once
• write out
• write protect
• write-protect
• writer
• writeress
• writeresses
• writerly
• writers
• writer's block
• writer's cramp
• writership
• writerships
• Writer to the Signet
• writes
• write to
• write up
• write-up
• writhe