SEVERER — is it a word? Scrabble score 10

It is an anagram of 3 other words: reverse, reserve, reveres.

severer is a valid word in Scrabble and Words With Friends. It has 7 letters and scores 10 points before any board bonuses (S 1 + E 1 + V 4 + E 1 + R 1 + E 1 + R 1).