Letter on position 1 (k) changed: 13 words cons dons eons fons gons hons ions mons oons pons sons tons wons Letter on position 2 (o) changed: 3 words kans kens kins Letter on position 3 (n) changed: 7 words koas kobs kois kops kors koss kows Letter on position 4 (s) changed: 2 words kond konk