• failier,
• failire,
• falue,
• failuer,
• filee,
• filll,
• familie,
• fainlly,
• faillier,
• failrue,
• failmy,
• fible,
• failyre,
• faile,
• faily,
• faiule,
• faillure,
• famlly,
• fasle,
• falles

• fall,
• fairly,
• faley,
• fallow,
• failure,
• fillet,
• fawley,
• filled,
• Fal La,
• fill,
• Fa La,
• false,
• filly,
• flee,
• falls,
• fille,
• fills,
• foil,
• failla,
• flue,
• fail,
• fuller,
• fails,
• file,
• fable,
• fallen,
• full,
• falla,
• floe,
• fell,
• FAUL,
• failed.

The plural of the "faille" can be the "failles".

The singular of the "faille" can be the "faille".