YOUWIN
defeat
Winner is a 6 letter word with a meaning to win a victory over.
Clinch
mastery
The base word for "winner" with the ending "ed" is "win".
Bin,Din,Fin,Kin,Men,Pin,Sin,Tin,Vin,Win.
top
win
A three letter word for beat the field is WIN!
best.
win
rout