bespoil

As a verb bespoil

is (dated|transitive) to spoil or pollute.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As verbs the difference between despoil and bespoil

is that despoil is to deprive for spoil; to take spoil from; to plunder; to rob; to pillage while bespoil is to spoil or pollute.

As a noun despoil

is plunder; spoliation.

As verbs the difference between besoil and bespoil

is that besoil is to cover with or as with soil; stain; sully while bespoil is to spoil or pollute.