I don't know any English word
but in science it is called h2o
A bridge is another word for an overpass across water.
Another word for H2O is water.
Another word for water that starts with the letter 'O' is oxygen dihydrogen.
water
wATER BEING STREAMLINED.
One word for a water trap in a street is a drain.
The ocean.
perdicament
Aqua
Precipitation.
Aqua
contamination