1. The cardinal number that is the sum of eight and one
   - nine, 9, IX, niner, ennead

Type of: digit, figure

• sense
• sense datum
• sense experience
• sense impression
• sense modality
• forceps delivery
• forcer
• Forces of Umar Al-Mukhtar
• forcible
• forcibly
• forcing out
• forcipate
• ford
• Ford Hermann Hueffer
• Ford Madox Ford
• fordable
• Fordhooks
• fording
• fore
• fore edge
• fore plane
• fore-and-aft
• fore-and-aft rig
• fore-and-aft sail
• fore-and-aft topsail