Yes, chad is a Scrabble word!
...and is worth 10 points in Scrabble, and 10 points in Words with Friends
chad
Noun
1. A small piece of paper that is supposed to be removed when a hole is punched in a card or paper tape
2. A lake in north central Africa; fed by the Shari river
3. A landlocked desert republic in north-central Africa; was under French control until 1960
4. A family of Afroasiatic tonal languages (mostly two tones) spoken in the regions west and south of Lake Chad in north central Africa
What Scrabble words can I make with the letters in chad?
3 Letter Words
2 Letter Words