Synonyms of speciousness

1 Syllable
quirk, bias, flaw, glitz
2 Syllables
notion, deceit, sophism, error, untruth, quibbling, cavil
3 Syllables
sophistry, delusion, pharisaism, solecism, perversion, deception, mistake, heresy, evasion, delusions, falsehood, paradox, elusion, faultiness, misconstrual, casuistry, deviation, erratum, spuriousness, fallacy, fallacies
4 Syllables
two-facedness, tartuffery, aberration, preconception, sanctimony, hypocrisies, hypocrisy, prejudice, erroneousness, inexactness, subterfuge, artifice, ambiguity
5 Syllables
deceptiveness, sanctimoniousness, invalidity, amphibology, inconsistency, miscalculation, misapprehension, equivocation, equivocations
6 Syllables
illogicality, misinterpretation