Here's what rhymes with overvivacious.
spacious vivacious gracious audacious fallacious herbaceous sebaceous vexatious voracious salacious efficacious tenacious capacious ungracious flirtatious loquacious mendacious ostentatious Words that almost rhyme with overvivacious
basis faces phases vases cases bases phrases races spaces raises gazes laces chases mesas places traces praises braces glazes fireplaces metastases homeostasis paraphrases famous heinous patience valence faithless hiatus sameness shameless shapeless faceless fracas patients courageous stainless surveillance cadence nameless painless waitress bailiffs baseless faintness lateness plainness weightless payments greatness impatience fragrance outrageous abeyance assailants blameless tasteless vagrants graceless straightness statements conveyance claimants contagious platelets reagents pavements strangeness basements mandamus ignoramus inpatients quaintness arrangements acquaintance advantageous attainments placements repayments engagements complainants complaisance misstatements displacements replacements disadvantageous rearrangements emplacements entertainments