What rhymes with fallacious? These are words that rhyme with fallacious. See also Rhyme Poems and How many syllables are in fallacious?
gracious, spacious
audacious, capacious, ceraceous, cretaceous, fallacious, flirtatious, hellacious, herbaceous, horatius, ignatius, loquacious, predaceous, salacious, sebaceous, tenacious, vexatious, vivacious, voracious
efficacious, ostentatious