Is “Estop” a Scrabble word?
Yes
ESTOP
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 Estop
/ɪˈstɒp/
verb
1.To impede or bar by estoppel.
2.To stop up, to plug