apostasy

As a letter s

is the letter s with a.

As a noun apostasy is

the renunciation of a belief or set of beliefs.

As nouns the difference between perfidy and apostasy

is that perfidy is a state or act of violating faith or allegiance; violation of a promise or vow, or of trust reposed; faithlessness; treachery while apostasy is the renunciation of a belief or set of beliefs.

As nouns the difference between reprobate and apostasy

is that reprobate is one rejected by god; a sinful person while apostasy is the renunciation of a belief or set of beliefs.

As an adjective reprobate

is (rare) rejected; cast off as worthless.

As a verb reprobate

is to have strong disapproval of something; to condemn.

As nouns the difference between anathema and apostasy

is that anathema is a ban or curse pronounced with religious solemnity by ecclesiastical authority, often accompanied by excommunication; something denounced as accursed while apostasy is the renunciation of a belief or set of beliefs.

As a noun apostasy

is the renunciation of a belief or set of beliefs.

As an adjective apostolic is

pertaining to an apostle, or to the apostles, their times, or their peculiar spirit.

As nouns the difference between apostasy and null

is that apostasy is the renunciation of a belief or set of beliefs while null is zero, nil; the cardinal number before einn.

As nouns the difference between convert and apostasy

is that convert is a person who has converted to his or her religion while apostasy is the renunciation of a belief or set of beliefs.

As a verb convert

is to transform or change (something) into another form, substance, state, or product.

As nouns the difference between apostasy and pursuance

is that apostasy is the renunciation of a belief or set of beliefs while pursuance is a search for something; a pursuit or quest.

As nouns the difference between apostasy and betrayal

is that apostasy is the renunciation of a belief or set of beliefs while betrayal is the act of betraying.

As nouns the difference between apostasy and treason

is that apostasy is the renunciation of a belief or set of beliefs while treason is the crime of betraying one’s own country.