pretender vs Tartuffe

pretender and Tartuffe both are nouns.

Word	Noun	Adjective	Verb	Adverb
pretender	Yes	No	No	No
Tartuffe	Yes	No	No	No

As nouns, Tartuffe is a hyponym of pretender; that is, Tartuffe is a word with a more specific, narrower meaning than pretender:

pretender: a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives
Tartuffe: a hypocrite who pretends to religious piety (after the protagonist in a play by Moliere)

Other hyponyms of pretender include charmer, smoothie, smoothy, sweet talker, Tartufe, whited sepulcher, whited sepulchre.

pretender (noun)	Tartuffe (noun)
a person who makes deceitful pretenses	a hypocrite who pretends to religious piety (after the protagonist in a play by Moliere)
a person who professes beliefs and opinions that he or she does not hold in order to conceal his or her real feelings or motives