To fill something up again or restore to a former level.

फिर से भरना

English Usage: We need to replenish the supplies before the storm hits.

Hindi Usage: हमें तूफान से पहले सामग्री फिर से भरनी होगी।

The act of filling something again.

पुन

English Usage: The replenish of the water supply was crucial after the drought.

Hindi Usage: सूखे के बाद पानी की आपूर्ति का पुनः भरना महत्वपूर्ण था।