Practise the thinking. Keep the judgement.
水 (mizu): Water
みず
mizu
Meaning
Water
Two original examples
水を一杯ください。
Please give me a glass of water.
水曜日に泳ぎに行きます。
I am going swimming on Wednesday.
Usage and distinctions
水 commonly means unheated water; お湯（おゆ）means hot water. 水 is read すい in 水曜日（すいようび, Wednesday）. Learn the reading in its word rather than substituting mizu in every compound.