"Double-Faced" is a word in ENGLISH

double-faced ENGLISH
Definition:

Deceitful; hypocritical; treacherous.

double-faced ENGLISH
Definition:

Having two faces designed for use; as, a double-faced
hammer.

Few words of positivity

The values we rightly associate with the modern age - the "liberty, equality, and fraternity" of the French revolution - are all endangered today not by the dead hand of tradition but by modernity itself, and they can be salvaged only by moving beyond it.

Harvey Cox, Religion in the Secular City: Toward a Postmodern Theology

WORD SUGGESTIONS
Laugh your heart out.

Salesman: This jug is genuine Indian pottery.Customer: But it says "Made in Cleveland."Salesman: Haven't you ever heard of the Cleveland Indians?

counterfeit ENGLISH

Assuming the appearance of something; false; spurious; deceitful; hypocritical; as, a counterfeit philanthropist.

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insincere ENGLISH

Not being in truth what one appears to be; not sincere; dissembling; hypocritical; disingenuous; deceitful; false; -- said of persons; …

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insincerity ENGLISH

The quality of being insincere; want of sincerity, or of being in reality what one appears to be; dissimulation; hypocritical; …

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