Synonyms of fallacy

1 Syllable

quirk, bias, flaw

2 Syllables

notion, deceit, sophism, error, untruth, errors, quibbling, cavil

3 Syllables

sophistry, delusion, solecism, perversion, deception, mistake, heresy, evasion, delusions, falsehood, heresies, paradox, elusion, faultiness, misconstrual, casuistry, speciousness, deviation, erratum, illusion, misbelief, falsity, illusions

4 Syllables

fallaciousness, secularism, aberration, preconception, misconceptions, revisionism, prejudice, misconstructions, erroneousness, inexactness, subterfuge, misconstruction, misconception, misimpression, artifice, paralogism, paralogy, ambiguity

5 Syllables

deceptiveness, invalidity, amphibology, inconsistency, miscalculation, misapprehension, equivocation, equivocations

6 Syllables

illogicality, misinterpretation