Slopiest is valid Scrabble Word

Is slopiest a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is slopiest valid Words with Friends?
Words with Friends NO

8 letters word
10 points in Scrabble
12 points in WWF

Definitions for SLOPIEST in dictionary:

ADJECTIVE:

SLOPY, sloping

Words related to SLOPIEST

slope7 slopy10

Similar words containing SLOP without suffix iest

slop6 slope7 slops7 slopy10 aslope8 sloped9 sloper8 slopes8 sloppy13 slopers9 slopier9 sloping10 slopped12 upslope11 slipslop12 sloppier12 sloppily15 slopping13 slopwork17 upslopes12 downslope15 hillslope14 slipslops13 slopewise14 slopingly15 sloppiest13 slopworks18 slopeside12 downslopes16 hillslopes15 slipsloppy19 sloppiness14 slopworker19 glideslope14 slopesides13 slopestyle15 slopingness14 slopworkers20 glideslopes15 slopestyles16 slipsloppier18 sloppinesses16 slipsloppiest19 slopingnesses16

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