| periodicity(noun, regularity, recurrence, commonness, repetitiveness) |
| recurrence(noun, return, happening, regularity, recurrence) |
| rate(noun, sound, amount, degree, occurrence) |
| occurrence(noun, rate, regularity, incidence, commonness) |
| prevalence(noun, rate, occurrence, regularity, incidence) |
| incidence(noun, rate, occurrence, regularity, commonness) |
| oscillation(noun, recurrence, commonness, repetitiveness, radio waves) |
| regularity(noun, return, occurrence, regularity, recurrence) |
| repetition(noun, return, occurrence, regularity, recurrence) |
| commonness(noun, rate, occurrence, regularity, incidence) |
| frequence |
| oftenness |
| cycle(noun, electricity, recurrence, radio waves) |
| number(noun, commonness, repetitiveness, relative numbers) |
| reiteration(noun, commonness, repetitiveness, relative numbers) |
| rhythm(noun, regularity, recurrence, commonness, repetitiveness) |
| pitch(noun, part, fix, sound, hit) |
| pulse |
| constancy(noun, regularity, commonness, repetitiveness) |
| custom(noun, regularity) |