Yes, rod is a Scrabble word!
...and is worth 4 points in Scrabble, and 4 points in Words with Friends
rod
Noun
1. A long thin implement made of metal or wood
2. Any rod-shaped bacterium
3. A linear measure of 16.5 feet
4. A square rod of land
5. A visual receptor cell that is sensitive to dim light
6. A gangster's pistol
What Scrabble words can I make with the letters in rod?
3 Letter Words
2 Letter Words