Need help. Blanking on a word.

[Jadeco]

Hey guys, writing an essay. What is that word...when you believe in something but don't do it? Like when someone says "you shouldn't lie," but they lie all the time. I think it starts with a p.

 

[Falconwing]

hypocrite?

 

[Jadeco]

thanks dude

 

[$aturn¥oshi]

Okay then...