ff or ff.

1. Fecerunt (Latin), (they) did it or made it
2. Folios (printing)
3. Following pages, lines, etc
4. Fortissimo (music)

FF

1. Form feed (computing)
2. French franc or francs

• remunerative
• remunerativeness
• remunerator
• remunerators
• remuneratory
• remurmur
• remurmured
• remurmuring
• remurmurs
• ren
• renague
• renagued
• renagues
• renaguing
• renaissance
• Renaissance man
• Renaissance men
• renaissances
• Renaissance woman
• renal
• rename
• renamed
• renames
• renaming
• renascence