fallax means cavillation; petty criticism Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- cavillation; petty criticism“First, after the sum of my fourth book, collected as pleaseth you, at the first dash you begin with an untrue report, joined to a subtle deceit or fallax, saying that my chief purpose that evil men receive not the body and blood of Christ in the sacrament.”