Scrabble Word Checker
S1I1N1I1S1T1E1R1L1Y4
13 points

SINISTERLY is validvalid

in a sinister manner [adv]

140,428 of 196,601 in NWL2023·also valid in CSW24

SINISTER, threatening or portending evil, also SINISTROUS [adv]

223,575 of 280,887 in CSW24·also valid in NWL2023