treatise

treatise is a valid word in Scrabble and Words With Friends. It has 8 letters and scores 8 points before any board bonuses (t 1 + r 1 + e 1 + a 1 + t 1 + i 1 + s 1 + e 1).

It is an anagram of 2 other words: treaties, iterates.

“TREATISE” on Wiktionary