foiler

As nouns the difference between foiler and failer

is that foiler is one who foils or frustrates while failer is one who fails.

As nouns the difference between foiler and filer

is that foiler is one who foils or frustrates while filer is agent noun of file; one who files something.

As a proper noun fowler

is for a hunter of birds.

As a noun foiler is

one who foils or frustrates.

As nouns the difference between toiler and foiler

is that toiler is a person who toils or labors while foiler is one who foils or frustrates.

As a verb frustrate

is to disappoint or defeat; to vex by depriving of something expected or desired.

As an adjective frustrate

is vain; ineffectual; useless; nugatory.

As a noun foiler is

one who foils or frustrates.

As nouns the difference between foil and foiler

is that foil is a very thin sheet of metal or foil can be failure when on the point of attainment; defeat; frustration; miscarriage or foil can be (hunting) the track of an animal while foiler is one who foils or frustrates.

As a verb foil

is to prevent (something) from being accomplished or foil can be (mathematics) to multiply two binomials together or foil can be (obsolete) to defile; to soil.