parathesis /pə-rathˈi-sis/

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

• tweediest
• tweedily
• tweediness
• tweedinesses
• tweedle
• tweedled
• tweedledee
• Tweedledee and Tweedledum
• tweedledeed
• tweedledeeing
• tweedledees
• three-pound
• three-pounder
• three-pounders
• three-pricker
• three-prickers
• threeps
• three-quarter
• three-quarter back
• three-quarter backs
• three-quarter face
• three-quarter-length
• three quarters
• three-quarters
• threequel