- senile emphysema
- senile epilepsy
- senile frailty
- senile guttate leukoderma
- senile insanity
- senile keratosis
- senile macular degeneration
- senile mental disorders
- senile osteoporosis, SOP
- senile pigmentation
- senile psychosis
- senile sarcopenia
- senile sebaceous hyperplasia
- senile systolic hypertension
- senilevaginitis
- senilism
- senility
- Sen index
- Senior Association
- senior editor
- senior grand secretary
- seniority
- senior medical officer in the Qin and Han dynasty
- senior police officer academy MPS
- Seni Qu