Is “Doublet” a Scrabble word?
Yes
DOUBLET
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 Doublet
/ˈdʌblət/
noun
1.A pair of two similar or equal things; couple.
2.One of two or more different words in a language derived from the same etymological root but having different phonological forms (e.g., toucher and toquer in French or shade and shadow in English).
3.In textual criticism, two different narrative accounts of the same actual event.
Synonyms: duet, dyad