Greywackes is valid Scrabble Word

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

10 letters word
23 points in Scrabble
24 points in WWF

Definitions for GREYWACKES in dictionary:

NOUN:

GREYWACKE, any coarse-grained, usually dark sandstone containing angular mineral and rock fragments in a fine-grained clayey matrix, also GRAYWACKE
a dark coarse-grained sandstone containing more than 15 per cent clay

Words related to GREYWACKES

greywacke22

Similar words containing GREYWACKE without suffix s

greywacke22

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