Subsequent to the installation of Scrabble on your Linux computer, you can learn a lot about the language from it. You can use the Dictionary accessory program built onto the Linux desktop to look up words the computer chooses. Scrabble 3D as a player is formidable and requires the use of the Dictionary application to look up the words it makes.
You can find the Dictionary on your desktop at Applications -> Accessories -> Dictionary. Make sure you connect to the Internet, to allow the Dictionary application to lookup words.