"dissemblers" in the noun sense
1. hypocrite, dissembler, dissimulator, phony, phoney, 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
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License