The letters in COMPOSERS make 226 words of two letters or more. The longest is COMPOSERS at 9 letters, and the highest-scoring is COMPOSERS at 15 points.
No other single word uses all 9 letters of COMPOSERS. COMPOSERS has 9 letters: 3 vowels and 6 consonants, worth 15 points before any board bonuses.
9-letter words 1
8-letter words 5
7-letter words 8
6-letter words 30
comers10comose10compos12cooers8cooper10copers10copses10corses8cosmos10crosse8mopers10morose8mosser8osmose8porose8posers8proems10promos10proses8prosos8romeos8rooses6roscoe8scoops10scopes10scores8scroop10sopors8spoors8spores8
5-letter words 58
ceros7comer9comes9compo11comps11cooer7coops9coper9copes9copse9cores7corms9corps9corse7coses7cress7crops9cross7moors7moose7moper9mopes9mores7morse7mosso7omers7perms9pesos7poems9pomes9pores7poser7poses7posse7press7proem9promo9proms9prose7proso7pross7repos7romeo7romps9rooms7roose5ropes7roses5scoop9scope9scops9score7sopor7sores5specs9speos7spoor7spore7
4-letter words 63
ceps8cero6cess6come8comp10coom8coop8coos6cope8cops8core6corm8coss6crop8emos6epos6eros4mess6mocs8moor6moos6mope8mops8more6mors6moss6omer6oops6opes6orcs6ores4oses4pecs8perm8peso6poco8poem8pome8poms8poor6poos6pore6pose6prom8pros6recs6rems6repo6reps6rocs6roes4romp8roms6room6rope6rose4scop8secs6sers4some6sops6sore4spec8
3-letter words 42
cep7coo5cop7cor5cos5emo5ems5ers3ess3mes5moc7moo5mop7mor5mos5oes3oms5ope5ops5orc5ore3ors3ose3pec7per5pes5poe5pom7pro5rec5rem5rep5res3roc5roe3rom5roo3sec5ser3som5sop5sos3
2-letter words 19
cs4em4er2es2me4mo4ms4oe2om4oo2op4or2os2pe4ps4re2rs2so2ss2
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.