Is “Tranche” a Scrabble word?
Yes
TRANCHE
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 Tranche
/tɹɑːnʃ/
noun
1.A slice, section or portion.
2.A distinct subdivision of a single policyholder's benefits, typically relating to separate premium increments.
3.A pension scheme's or scheme member's benefits relating to distinct accrual periods with different rules.
verb
1.To divide into tranches.