1.Water exists in three distinctive states, solid (ice), liquid (water) and gaseous (steam or vapor). But alcohol exists only in the single liquid state.
2.Water is a molecular substance while alcohol is a chemical compound.
3.The boiling point of water at sea level is 100°C whereas the boiling point of alcohol or ethanol is 78.29 °C.
4.Water is tasteless while most alcohols have a slight stringent taste.