Words That Rhyme With "Fallaciously" :
3 syllables:
4 syllables:
audaciously, capaciously, cretaceously, curvaceously, flirtatiously, fugaciously, hellaciously, herbaceously, loquaciously, mendaciously, mordaciously, sagaciously, salaciously, sequaciously, setaceously, tenaciously, ungraciously, veraciously, vexatiously, vivaciously, voraciously
5 syllables:
contumaciously, disputatiously, efficaciously, ostentatiously, perspicaciously