Is “Guyot” a Scrabble word?
Yes
GUYOT
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Guyot
/ˈɡiːjəʊ/
noun
1.A flat-topped seamount.