1. The number of occurrences within a given time period
   - frequency, frequence

Derived forms: oftennesses

Type of: rate

• Atrovent
• Atsugewi
• attaboy
• Attacapa
• Attacapan
• attach
• attach to
• attachable
• attached
• attachment
• attaché
• attaché case
• attack
• attack aircraft
• attack aircraft carrier
• attack dog
• attack submarine
• attacker
• attacking
• attain
• attainability
• attainable
• attainableness
• attainder
• attained