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

• beseemingly
• beseemingness
• beseemingnesses
• beseemings
• beseemly
• beseems
• beseen
• besees
• beset
• besetment
• besetments
• besets
• besetter
• besetters
• besetting
• beshadow
• beshadowed
• beshadowing
• beshadows
• beshame
• beshamed
• beshames
• beshaming
• beshine
• beshines