Is “Exoplanet” a Scrabble word?
Yes
EXOPLANET
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 Exoplanet
noun
1.A planet which exists outside Earth's solar system.
Synonyms: exosolar planet, extrasolar planet