The letters in PROHIBITS make 204 words of two letters or more. The longest is PROHIBITS at 9 letters, and the highest-scoring is PROHIBITS at 16 points.
No other single word uses all 9 letters of PROHIBITS. PROHIBITS has 9 letters: 3 vowels and 6 consonants, worth 16 points before any board bonuses.
9-letter words 1
8-letter words 1
prohibit15
7-letter words 1
probits11
6-letter words 16
births11bishop13bistro8borsht11broths11orbits8oribis8pithos11probit10prosit8ripost8spirit8thorps11thrips11throbs11tripos8
5-letter words 39
birth10borts7brios7brits7broth10hoist8horst8obits7orbit7oribi7phots10piths10ports7posit7prost7riots5rishi8rotis5shirt8short8spirt7sport7sprit7stirp7strip7strop7thorp10thrip10throb10tipis7tiros5tophi10tophs10topis7torii5torsi5trios5trips7trois5
4-letter words 76
bios6bits6bops8bort6bosh9both9bots6brio6bris6brit6bros6hips9hist7hits7hobs9hops9host7hots7ibis6iris4obis6obit6opts6orbs6orts4phis9phot9pish9piso6pith9pits6pois6port6posh9post6pots6pros6rhos7ribs6riot4rips6robs6roti4rots4ship9shop9shot7shri7sith7soph9sorb6sori4sort4soth7spit6spot6stir4stob6stop6stor4thio7thir7this7thro7tipi6tips6tiro4toph9topi6tops6tori4tors4tosh7trio4trip6trop6
3-letter words 50
bio5bis5bit5bop7bos5bot5bro5hip8his6hit6hob8hop8hos6hot6its3obi5ohs6ops5opt5orb5ors3ort3phi8pho8pht8pis5pit5poh8poi5pot5pro5psi5rho6rib5rip5rob5rot3sib5sip5sir3sit3sob5sop5sot3sri3tho6tip5tis3top5tor3
2-letter words 20
bi4bo4hi5ho5is2it2oh5oi2op4or2os2pi4ps4rs2sh5si2so2ti2to2ts2
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.