The letters in SPECIALLY make 307 words of two letters or more. The longest is SPECIALLY at 9 letters, and the highest-scoring is SPECIALLY at 16 points.
No other single word uses all 9 letters of SPECIALLY. SPECIALLY has 9 letters: 3 vowels and 6 consonants, worth 16 points before any board bonuses.
9-letter words 1
8-letter words 2
allspice12epically15
7-letter words 6
6-letter words 22
5-letter words 83
acyls10aisle5alecs7alley8aspic9calls7capes9ceils7cella7celli7cells7claps9clasp9clays10clips9epics9ileac7ileal5laces7lacey10laics7lapel7lapis7lapse7leaps7lilac7lisle5lyase8lycea10paces9pacey12pails7paise7pales7palls7pally10palsy10peals7pical9picas9pilea7piles7pills7place9plays10pleas7plica9plies7saice7salep7salic7sally8scale7scall7scalp9scaly10scape9sepal7sepia7sepic9silly8slice7slily8slipe7slype10space9spacy12spail7spale7spall7speil7spell7spica9spice9spicy12spiel7spile7spill7splay10yells8yelps10yills8yipes10
4-letter words 108
aces6acyl9ails4alec6ales4alls4ally7alps6apes6apse6asci6ayes7call6cape8caps8case6cays9ceil6cell6cels6ceps8clap8clay9clip8easy7ells4epic8espy9eyas7ices6ilea4ills4illy7isle4lace6lacs6lacy9laic6laps6lase4lays7leal4leap6leas4leis4leys7lice6lies4lily7lips6lisp6lyes7lyse7pace8pacs8pacy11pail6pale6pall6pals6paly9pase6pays9peal6peas6pecs8pial6pias6pica8pice8pics8pies6pile6pill6pily9play9plea6plie6psia6pyas9pyes9pyic11sail4sale4sall4salp6seal4sell4sial4sice6sill4sipe6slap6slay7slip6spae6spay9spec8syce9syli7yaps9yeas7yell7yelp9yeps9yill7yipe9yips9
3-letter words 66
ace5ail3ais3ale3all3alp5als3ape5asp5aye6ays6cap7cay8cel5cep7cis5ell3els3ice5icy8ill3lac5lap5las3lay6lea3lei3ley6lie3lip5lis3lye6pac7pal5pas5pay8pea5pec7pes5pia5pic7pie5pis5ply8psi5pya8pye8sac5sae3sal3sap5say6sea3sec5sei3sel3sic5sip5sly6spa5spy8yap8yea6yep8yes6yip8
2-letter words 19
ae2ai2al2as2ay5cs4el2es2is2la2li2ls2pa4pe4pi4ps4si2ya5ye5
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.