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