Is “Geo” a Scrabble word?
Yes
GEO
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 Geo
/ɡjəʊ/
noun
1.(Caithness) An inlet, gully or cleft in the face of a cliff.