Is “Extermination” a Scrabble word?
Yes
EXTERMINATION
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 Extermination
noun
1.The act of exterminating; total destruction or eradication
“extermination of weeds from a field”
2.Elimination.
Synonyms: excision