The letters in OFFSPRING make 185 words of two letters or more. The longest is OFFSPRING at 9 letters, and the highest-scoring is OFFSPRING at 18 points.
No other single word uses all 9 letters of OFFSPRING. OFFSPRING has 9 letters: 2 vowels and 7 consonants, worth 18 points before any board bonuses.
9-letter words 1
8-letter words 1
griffons15
7-letter words 8
goniffs14griffon14offings14prosing10ripoffs15ropings10spinoff15sporing10
6-letter words 22
gipons9girons7goniff13gonifs10griffs13grison7groins7offing13orpins8pingos9poring9posing9prions8prison8prongs9ripoff14roping9rosing7signor7soring7spinor8spring9
5-letter words 42
finos8firns8foins8frigs9frogs9frons8gipon8girns6giron6giros6gonif9gorps8griff12grins6grips8groin6infos8irons5noirs5noris5oping8opsin7ornis5orpin7pingo8pings8pions7pirns7pirog8pongs8prigs8prion7profs10progs8prong8riffs11rings6rosin5sniff11spiff13sprig8sprog8
4-letter words 55
figs8fino7fins7firn7firs7fogs8foin7fons7fops9frig8frog8gins5gips7girn5giro5gorp7grin5grip7info7inro4ions4iron4niff10nips6nogs5noir4nori4offs10pigs7ping7pins6pion6pirn6piso6pois6pong7pons6prig7prof9prog7pros6riff10rifs7rigs5ring5rins4rips6sign5sing5snip6snog5song5sori4sorn4spin6
3-letter words 39
fig7fin6fir6fog7fon6fop8for6fro6gin4gip6gor4iff9ifs6ins3ion3nip5nog4nor3nos3off9ons3ops5ors3pig6pin5pis5poi5pro5psi5rif6rig4rin3rip5sin3sip5sir3son3sop5sri3
2-letter words 17
go3gs3if5in2is2no2of5oi2on2op4or2os2pi4ps4rs2si2so2
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.