The letters in PURPOSE make 107 words of two letters or more. The longest is PURPOSE at 7 letters, and the highest-scoring is PURPOSE at 11 points.
No other single word uses all 7 letters of PURPOSE. PURPOSE has 7 letters: 3 vowels and 4 consonants, worth 11 points before any board bonuses.
7-letter words 1
6-letter words 4
poseur8supper10uppers10uprose8
5-letter words 20
euros5pepos9popes9pores7poser7pours7preps9props9prose7purse7repos7repps9ropes7roues5roups7rouse5spore7sprue7super7upper9
4-letter words 40
epos6eros4euro4opes6opus6ores4ours4pepo8peps8peso6pope8pops8pore6pose6pour6prep8prop8pros6pups8pure6purs6repo6repp8reps6roes4rope6rose4roue4roup6rues4ruse4sore4soup6sour4spue6spur6suer4supe6sure4user4
3-letter words 29
ers3oes3ope5ops5ore3ors3ose3our3pep7per5pes5poe5pop7pro5pup7pur5pus5rep5res3roe3rue3ser3sop5sou3sue3sup5upo5ups5use3
2-letter words 13
er2es2oe2op4or2os2pe4ps4re2rs2so2up4us2
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.