The letters in RECOGNIZE make 148 words of two letters or more. The longest is RECOGNIZE at 9 letters, and the highest-scoring is RECOGNIZE at 21 points.
No other single word uses all 9 letters of RECOGNIZE. RECOGNIZE has 9 letters: 4 vowels and 5 consonants, worth 21 points before any board bonuses.
9-letter words 1
8-letter words 2
cognizer20erogenic11
7-letter words 6
cognize19coreign10cozener18generic10grecize19zeroing17
6-letter words 17
5-letter words 27
coign8conge8corgi8cozen16cozie16crine7crone7croze16genic8genie6genre6genro6giron6goner6green6groin6incog8irone5negro6nicer7niece7orcin7orgic8recon7reign6renig6zoner14
4-letter words 46
cere6cero6cine6cion6cire6coin6coir6cone6coni6core6corn6coze15cree6eger5ergo5erne4geez14gene5gien5girn5giro5goer5gone5gore5gree5grin5icon6inro4iron4nice6noir4nori4ogee5ogre5once6rein4rice6ring5zein13zero13zinc15zine13zing14zoic15zone13zori13
3-letter words 38
cee5cig6cog6con5cor5coz14ego4eng4eon3ere3erg4ern3gee4gen4gie4gin4gor4gre4ice5ion3ire3nee3nog4nor3one3orc5ore3rec5ree3reg4rei3rig4rin3roc5roe3zee12zig13zin12
2-letter words 11
en2er2go3in2ne2no2oe2oi2on2or2re2
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.