Synonyms of illogicality

1 Syllable
bs
3 Syllables
fallacy, foolishness, misconstrual, speciousness, fallacies, spuriousness, flapdoodle
4 Syllables
absurdities, insanity, absurdity
5 Syllables
arbitrariness, illogicalness
6 Syllables
unreasonableness, irrationalities, impracticality, irrationality