Is “Checklist” a Scrabble word?
Yes
CHECKLIST
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 Checklist
/ˈtʃɛklɪst/
noun
1.A list of tasks to be completed, names to be consulted, conditions to be verified and similar.
2.An inventory, especially of species.