| occurrence(noun, company, development, amount, rate) |
| frequency(noun, rate, occurrence, regularity, commonness) |
| degree(noun, occurrence, direction of fall) |
| rate(noun, amount, occurrence, existence, regularity) |
| event(noun, amount, rate, existence, circumstance) |
| scope(noun, occurrence, rate of occurrence) |
| tendency(noun, direction, occurrence, direction of fall) |
| prevalence(noun, rate, occurrence, regularity, commonness) |
| drift(noun, direction, occurrence, direction of fall) |
| extent(noun, occurrence) |
| number(noun, occurrence) |
| range(noun, rate of occurrence) |
| relative incidence(noun, expression, idiom) |
| amount(noun, rate, existence) |
| occasion(noun, development, amount, rate, existence) |
| proportion(noun, occurrence, direction of fall) |
| slope |
| commonness(noun, rate, occurrence, regularity) |
| accident(noun, development, amount, rate, existence) |
| direction(direction, rate of occurrence) |