octuple

octuple is a valid word in Scrabble and Words With Friends. It has 7 letters and scores 11 points before any board bonuses (o 1 + c 3 + t 1 + u 1 + p 3 + l 1 + e 1).

It is an anagram of 1 other word: couplet.

“OCTUPLE” on Wiktionary