Is “Cools” a Scrabble word?
Yes
COOLS
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 Cools
/kuːlz/
verb
1.To lose heat, to get colder.
“I like to let my tea cool before drinking it so I don't burn my tongue.”
2.To make cooler, less warm.
3.To become less intense, e.g. less amicable or passionate.
“Relations cooled between the USA and the USSR after 1980.”