Yes, ling is a Scrabble word!
...and is worth 5 points in Scrabble, and 8 points in Words with Friends
ling
Noun
1. Water chestnut whose spiny fruit has two rather than 4 prongs
2. Common Old World heath represented by many varieties; low evergreen grown widely in the northern hemisphere
3. Elongated marine food fish of Greenland and northern Europe; often salted and dried
4. American hakes
5. Elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
What Scrabble words can I make with the letters in ling?
3 Letter Words
2 Letter Words