Yes, swum is a Scrabble word!
...and is worth 9 points in Scrabble, and 11 points in Words with Friends
swum
Verb
1. Travel through water
2. Be afloat either on or below a liquid surface and not sink to the bottom
3. Be dizzy or giddy
4. Be covered with or submerged in a liquid
5. Move as if gliding through water
What Scrabble words can I make with the letters in swum?
3 Letter Words
2 Letter Words
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Words that can be created with an extra letter added to swum:
A:wamus