Slippiest is valid Scrabble Word

Is slippiest a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is slippiest valid Words with Friends?
Words with Friends YES

9 letters word
13 points in Scrabble
16 points in WWF

Definitions for SLIPPIEST in dictionary:

ADJECTIVE:

SLIPPY, slippery
slippery

Words related to SLIPPIEST

slippier12 slippy13

Similar words containing SLIPP without suffix iest

slippy13 slipped12 slipper11 slippage13 slippers12 slippery15 slippier12 slippily15 slipping13 mislippen15 slippages14 slippered14 mislippens16 slipperier14 slipperily17 slippering15 slippiness14 unslipping15 mislippened18 overslipped19 sideslipped17 slipperiest15 slipperwort18 mislippening19 overslipping20 sideslipping18 slipperiness16 slipperworts19 slippinesses16 slipperinesses18

Find what other words can be done using letters: "slippiest"
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