The state of being tight; firmness or tension.

A feeling of discomfort or pressure.

कसाव

English Usage: The tightness of the rope made it difficult to pull.

Hindi Usage: रस्सी का कसाव इसे खींचना मुश्किल बना रहा था।

A specific level of tension in physical objects.

तनाव

English Usage: The tightness of the cap prevents spills.

Hindi Usage: ढक्कन का कसाव रिसाव को रोकता है।