is a specific kind of: deceit, deception, misrepresentation.

is a broader term that covers: bluff | pretext, stalking-horse | hypocrisy, lip service.

derivation: affect, dissemble, feign, pretend, sham | pretentious.

is a specific kind of: deceit, deception, dissembling, dissimulation.

is a broader term that covers: appearance, show | make-believe, pretend | affectation, affectedness, mannerism, pose | charade, masquerade.

derivation: affect, dissemble, feign, pretend, sham | assume, feign, sham, simulate.