Scrabble Word Checker
T1R1I1E1N1N1I1A1L1
9 points

TRIENNIAL is validvalid

an event that occurs every three years [n TRIENNIALS]

117,359 of 196,601 in NWL2023·also valid in CSW24

continuing for three years [adj TRIENNIALLY] / a three-year anniversary [n -S]

255,017 of 280,887 in CSW24·also valid in NWL2023