Recurrence
- Disease recurrence
- Eternal recurrence
- Feedback (disambiguation)
- Historic recurrence
- Mathematical induction
- Poincaré recurrence theorem
- Radial recurrent artery
- Recurrence period density entropy
- Recurrence plot
- Recurrence relation
- Recurrent neural network
- Recurrent rotation
- Recursion
- Recursive definition
- The Railway Children (band)