R₁E₁T₁R₁O₁F₄I₁T₁T₁I₁N₁G₂

16 points

RETROFITTING is validvalid

RETROFIT, to furnish with new parts not originally available [v]

174,364 of 196,601 in NWL2023·also valid in CSW24

the act of retrofitting [n -S]

206,729 of 280,887 in CSW24·also valid in NWL2023