Is “Tumor” a Scrabble word?
Yes
TUMOR
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 Tumor
/tjuː.mə/
noun
1.An abnormal growth; differential diagnosis includes abscess, metaplasia, and neoplasia.
Synonyms: neoplasm