Refers to a color, often used in descriptions.

रंग (Rang)

English Usage: The brown fumes filled the air during the burning process.

Hindi Usage: जलाए जाने की प्रक्रिया के दौरान भूरे धुएं हवा में भर गए।

Refers to smoke produced by combustion.

धुंआ (Dhuan)

English Usage: The campfire sent out thick brown fumes into the night.

Hindi Usage: कैम्पफायर ने रात में घनी भूरे धुएं का उत्सर्जन किया।

Refers to gas or vapor, typically unpleasant.

धुआँ (Dhuaan)

English Usage: The brown fumes from the factory are dangerous.

Hindi Usage: फैक्ट्री से निकलने वाले भूरे धुएं खतरनाक हैं।

Describing something as having a brown color.

भूरा (Bhoora)

English Usage: She wore a beautiful brown dress.

Hindi Usage: उसने एक सुंदर भूरी ड्रेस पहनी।