parathesis /pə-rathˈi-sis/

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

• force field
• force fields
• forceful
• forcefully
• forcefulness
• forcefulnesses
• force-land
• force-landed
• force-landing
• force-lands
• forceless
• force majeure
• forcemeat
• forcemeats
• forceps
• forcepses
• force pump
• force pumps
• forcer
• forcers
• for certain
• forces
• force someone's hand
• force the exchange
• force the issue