Question

then real fear came as her illness recurred at shorter intervals. source: black boy in the sentence above, recurred has the same or almost the same meaning as: repeated registered responded regulated

Explanation:

The word "recurred" means to happen again. "Repeated" also means to do or occur again. "Registered" means to record or sign up. "Responded" means to reply. "Regulated" means to control or manage. So "recurred" is closest in meaning to "repeated".

Answer:

repeated