Is “Isms” a Scrabble word?
Yes
ISMS
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 Isms
noun
1.An ideology, system of thought, or practice that can be described by a word ending in -ism.
2.Specifically, a form of discrimination, such as racism or sexism.