What It Scores
SPIREAS is a valid word in the tournament list this site uses. Tile values only, before any premium square: 9 in Scrabble, 10 in Words With Friends, 10 in Wordfeud. The letters break down as S1 P3 I1 R1 E1 A1 S1.
At seven letters this plays the whole rack, which is a bingo and worth 59 in Scrabble once the 50 point bonus lands.
Anagrams of SPIREAS (4)
Same letters, different order. Any of these plays the same tiles for the same score.
Words Made From The Letters In SPIREAS
193 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.
6 letter words (23)
ARISESASPERSASPIREPAIRESPARIESPARSESPASSERPERAISPRAISEPRASESPRISESRAISESREPASSSEPIASSERAISSPAERSSPARESSPARSESPEARSSPEIRSSPIERSSPIREASPIRES
5 letter words (55)
AESIRAPERSAPRESAPSESAPSISARISEARSISASPERASPISEPRISPAIREPAIRSPAISEPARESPARISPARSEPASESPASSEPEARSPERAIPERISPIERSPISESPRASEPRESAPRESSPRIESPRISEPRISSRAISERASESRASPSRASSEREAPSRIPESRISESRISPSSAIRSSARISSASERSEARSSEIRSSEPIASERAISIPESSIRESSPAERSPAESSPARESPARSSPEARSPEIRSPIERSPIESSPIRE
4 letter words (59)
AIRSAPERAPESAPSEARESARISASPSEARSERASIRESPAIRPAISPAREPARSPASEPASSPEARPEASPERIPIASPIERPIESPIRSPISEPSISRAISRAPSRASERASPREAPREISREPSRIASRIPERIPSRISERISPSAIRSAISSAPSSARISARSSEARSEASSEIRSEISSEPSSERASERSSIESSIPESIPSSIRESIRSSPAESPARSPASSPIESRIS
3 letter words (43)
AIRAISAPEAREARSASPEAREASERAERSESSIREPARPASPEAPERPESPIAPIEPIRPISPREPSIRAIRAPRASREIREPRESRIARIPSAESAISAPSARSEASEISERSIPSIRSISSPASRI
2 letter words (13)
Next: the full rack page for these seven tiles, and the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.