Is “Malapropism” a Scrabble word?
Yes
MALAPROPISM
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 Malapropism
/ˈmæləpɹɒpɪzəm/
noun
1.The blundering use of an absurdly inappropriate word or expression in place of a similar-sounding one.
“The script employed malapropism to great effect.”
2.An instance of this; malaprop.
“The humor comes from all the malapropisms.”
Synonyms: catachresis, malaprop