The letters in SPELLING make 131 words of two letters or more. The longest is SPELLING at 8 letters, and the highest-scoring is SPELLING at 11 points.
No other single word uses all 8 letters of SPELLING. SPELLING has 8 letters: 2 vowels and 6 consonants, worth 11 points before any board bonuses.
8-letter words 1
7-letter words 1
6-letter words 6
5-letter words 29
genip8gills6glens6ingle6lenis5liens5lines5lings6lisle5nills5peins7piles7pills7pines7pings8plies7segni6sengi6singe6sling6slipe7snell5snipe7speil7spell7spiel7spile7spill7spine7
4-letter words 47
egis5ells4engs5gels5gens5gien5gies5gill5gins5gips7glen5ills4isle4legs5leis4lens4lien4lies4line4ling5lins4lips6lisp6nill4nils4nips6pegs7pein6peng7pens6pies6pigs7pile6pill6pine6ping7pins6plie6sell4sign5sill4sine4sing5sipe6slip6snip6spin6
3-letter words 33
ell3els3eng4ens3gel4gen4gie4gin4gip6ill3ins3leg4lei3lie3lin3lip5lis3nil3nip5peg6pen5pes5pie5pig6pin5pis5psi5seg4sei3sel3sen3sin3sip5
2-letter words 14
el2en2es2gs3in2is2li2ln2ls2ne2pe4pi4ps4si2
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.