JAKS - is a valid Scrabble word.
Definition of JAKS:
- JAK, a type of fruit [n]
- large, tropical, milky-juiced tree, Artocarpus heterophyllus, of the mulberry family, having stiff and glossy green leaves, cultivated for its very large, edible fruit and seeds
- the fruit of this tree, which may weigh up to 70 lb. (32 kg)