happening repeatedly or periodically

पुनरागत

English Usage: She has recurrent headaches that disrupt her daily activities.

Hindi Usage: उसे पुनरागत सिरदर्द होता है जो उसकी दैनिक गतिविधियों में बाधा डालता है।

the fact of occurring again or repeatedly

पुनरावृत्ति

English Usage: The recurrence of the disease was alarming.

Hindi Usage: इस बीमारी की पुनरावृत्ति चिंताजनक थी।