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

• curettage
• curettages
• curette
• condisciples
• condition
• conditional
• conditional baptism
• conditional discharge
• conditional discharges
• conditional fee
• conditionalities
• conditionality
• conditionally
• conditional probabilities
• conditional probability
• conditionate
• conditionated
• conditionates
• conditionating
• condition code
• condition codes
• conditioned
• conditioned reflex
• conditioned reflexes
• conditioned response