S₁T₁R₁E₁N₁G₂T₁H₄E₁N₁

14 points

STRENGTHEN is validvalid

[v STRENGTHENED, STRENGTHENING, STRENGTHENS] : STRENGTHENER [n]

141,448 of 196,601 in NWL2023·also valid in CSW24

to make stronger [v -ED, -ING, -S]

236,266 of 280,887 in CSW24·also valid in NWL2023