He was outstanding in She Wore a Yellow Ribbon. Actually, everything in the Cavalry Trilogy is good.
The Searchers was Ford's best movie and Wayne gave an inspired and somewhat dark performance.
Wayne was also great in Red River, which he did not do with Ford. Ford is reported to have said after he saw it, "I didn't know the son of a bitch could act!"
Spielberg in interview called The Searchers the best movie ever made, not merely the best western.
“Stagecoach”
https://www.youtube.com/watch?v=HEuCMRRLts8