This is the 921st most frequent Hindi word.
भय
Fear.
Here, 'भय' is used as a noun to indicate the feeling of fear.
भय से वह काँपने लगी।
She started trembling with fear.
In this sentence, 'भय' is used as a noun to describe the emotion reflected in a person's voice.
उसकी आवाज़ में भय झलक रहा था।
Fear was evident in his voice.
Here, 'भय' is part of the adjective 'भयभीत', describing the state of being fearful.