1. A mass of tiny drops of water, other liquids, or tiny particles in the air, which rise up from something. English = vapour.
2. Gas and small bits of solid material that are sent into the air when something burns. English = smoke.
3. A mass of tiny drops of water that rise up from very hot or boiling water. English = steam.
4. Strong and usually unpleasant smelling gasses that rise up from something. English = fumes.