What It Scores
IMPACTS is a valid word in the tournament list this site uses. Tile values only, before any premium square: 13 in Scrabble and 15 in Words With Friends. The letters break down as I1 M3 P3 A1 C3 T1 S1.
At seven letters this plays a whole rack, which is a bingo and worth 63 in Scrabble once the 50 point bonus lands.
Words Made From The Letters In IMPACTS
149 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 (4)
5 letter words (22)
APISMASPICCAMISCAMPICAMPSMAISTMICASPACTSPICASPIMASPITASSAMPISCAMPSCAPISPAITSPICASTAMPSTIPATAMISTAMPSTAPISTIMPS
4 letter words (57)
ACTSAIMSAITSAMISAMPSAPTSASCICAMPCAMSCAPICAPSCASTCATSCISTCITSIMPSITASMACSMAPSMASTMATSMICAMICSMIPSMISTPACSPACTPAISPAMSPASTPATSPIASPICAPICSPIMAPITAPITSSAICSAIMSAMPSATISCAMSIMASIMPSMITSPAMSPATSPIMSPITSTAPSTIMTAISTAMPTAMSTAPSTICSTIPS
3 letter words (52)
ACTAIMAISAITAMIAMPAPTASPATSCAMCAPCATCISCITIMPISMITAITSMACMAPMASMATMICMISPACPAMPASPATPIAPICPISPITPSIPSTSACSAISAMSAPSATSICSIMSIPSITSMASPATAITAMTAPTASTICTIPTIS
2 letter words (14)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.