usurper

As a noun usurper

is one who usurps.

As an adjective false is

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

As nouns the difference between usurper and totalitarian

is that usurper is one who usurps while totalitarian is an advocate of totalitarianism.

As an adjective totalitarian is

a system of government where the people have virtually no authority and the state wields absolute control of every aspect of the country, socially, financially and politically.

As nouns the difference between pretender and usurper

is that pretender is a person who professes beliefs and opinions that they do not hold while usurper is one who usurps.

As nouns the difference between usury and usurper

is that usury is (countable) an exorbitant rate of interest, in excess of any legal rates or at least immorally while usurper is one who usurps.

As a noun usurper

is one who usurps.

As a verb usurped is

(usurp).

As nouns the difference between usurper and usurer

is that usurper is one who usurps while usurer is a person who loans money to others and charges interest, particularly at an illegal, exorbitant, or unfair rate.

As nouns the difference between usurper and superseder

is that usurper is one who usurps while superseder is one who, or that which, supersedes; a replacement or usurper.