Preventive (adjective)
احتیاطی، انسدادی، روکے رکھنا
designed to keep something undesirable such as illness or harm from occurring.
Example: “preventive medicine”
Discreet (adjective)
نفیس، عمدہ، محتاط
careful and prudent in one’s speech or actions, especially in order to keep something confidential or to avoid embarrassment.
Example: “we made some discreet inquiries”