The word is water. It creates the words salt water, watermelon and white water.
Two words
2 words: water slide
"Watermammals" is one word.
It is two words "tap water" for water from a faucet.
Water views is two words
The word "underage" is most commonly used as a single word, but is a compound word, meaning it's made of two root words, "under" and "age".
child
Water. Salt Water, Watermelon, White water
Some words that you can get out of 'water' are:aareartatateaweeareateraratraterawteatearwarwarewartwewearwet
It's one word. It's a compound word made up of two smaller words. An airline (one word) is a company that runs airplanes. An air line (two words) is a flexible tube or hose attached to an air or oxygen source supplying air or oxygen to a person who is ill or under water. Airlines and air lines, of course, are the plural versions.
Waterproofing is one word, like "waterproof."