The letters in BREACH make 54 words of two letters or more. The longest is BREACH at 6 letters, and the highest-scoring is BREACH at 13 points.
No other single word uses all 6 letters of BREACH. BREACH has 6 letters: 2 vowels and 4 consonants, worth 13 points before any board bonuses.
6-letter words 1
5-letter words 8
acerb9beach12brace9brach12caber9chare10reach10rehab10
4-letter words 17
ache9acre6arch9bach11bare6bear6brae6carb8care6char9crab8each9hare7hear7herb9race6rhea7
3-letter words 17
ace5arb5arc5are3bah8bar5bra5cab7car5cha8ear3era3hae6her6rah6reb5rec5
2-letter words 11
ab4ae2ah5ar2ba4be4eh5er2ha5he5re2
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.