偽造【ぎぞう】
forgery, counterfeiting, fabrication, falsification
虚偽【きょぎ】
falsehood, untruth, lie, misinformation, fallacy (logic)
真偽【しんぎ】
truth or falsehood, genuineness, authenticity, veracity
偽装【ぎそう】
camouflage, disguise, pretense, feigning, masquerade
偽証【ぎしょう】
false evidence, perjury, false testimony
偽物【にせもの】
spurious article, forgery, counterfeit, imitation, sham
偽る【いつわる】
to lie, to pretend, to feign, to falsify, to deceive, to trick