Yes, splash is a Scrabble word!

Verb

1. Cause (a liquid) to spatter about, especially with force

2. Walk through mud or mire

3. Dash a liquid upon or against

4. Mark or overlay with patches of contrasting color or texture; cause to appear splashed or spattered

5. Make a splashing sound

6. Soil or stain with a splashed liquid

7. Strike and dash about in a liquid

Noun

1. The sound like water splashing

2. A prominent or sensational but short-lived news event

3. A small quantity of something moist or liquid

4. A patch of bright color

5. The act of splashing a (liquid) substance on a surface

6. The act of scattering water about haphazardly