pecksniffery

As an adjective sanctimonious

is making a show of being morally better than others, especially hypocritically pious.

As a noun Pecksniffery is

unctuous, hypocritical or sanctimonious behaviour.

As an adjective hypocritical

is characterized by hypocrisy or being a hypocrite.

As a noun pecksniffery is

unctuous, hypocritical or sanctimonious behaviour.

As an adjective unctuous

is (of a liquid or fatty substance) oily or greasy.

As a noun pecksniffery is

unctuous, hypocritical or sanctimonious behaviour.