The letters in EXTREMIST make 205 words of two letters or more. The longest is EXTREMIST at 9 letters, and the highest-scoring is EXTREMIST at 18 points.
No other single word uses all 9 letters of EXTREMIST. EXTREMIST has 9 letters: 3 vowels and 6 consonants, worth 18 points before any board bonuses.
9-letter words 1
8-letter words 2
emitters10termites10
7-letter words 10
emitter9metiers9metrist9mirexes16reemits9remixes16retimes9termite9testier7triseme9
6-letter words 31
5-letter words 57
emirs7emits7ester5exert12exist12exits12items7meets7meres7merit7meter7metes7metis7metre7mires7mirex14miser7miter7mites7mitre7mitts7mixer14mixes14reest5remet7remex14remit7remix14reset5resit5retem7retie5rexes12rimes7rites5siree5sixte12smite7steer5stere5stime7stree5teems7terms7terse5texts12tiers5timer7times7tires5titer5titre5trees5trets5tries5trims7trite5
4-letter words 54
emes6emir6emit6erst4exes11exit11ires4item6meet6mere6mete6mire6mirs6mise6mist6mite6mitt6mixt13rees4reis4rems6rest4rete4rets4rime6rims6rise4rite4seem6seer4seme6semi6sere4sett4sext11sire4site4smit6stem6stet4stir4teem6tees4term6test4tets4text11tier4ties4time6tire4tree4tret4trim6
3-letter words 34
eme5ems5ere3ers3ert3ire3ism5its3mes5met5mir5mis5mix12ree3rei3rem5res3ret3rex10rim5see3sei3ser3set3sim5sir3sit3six10sri3tee3tet3tie3tis3xis10
2-letter words 16
em4er2es2et2ex9is2it2me4mi4ms4re2rs2si2ti2ts2xi9
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.