Here's what rhymes with archipelagus.
Words that almost rhyme with archipelagus
fracas basis famous gracious heinous lateness plainness grayness greyness tailless patience greatness courageous spacious cadence fragrance nameless outrageous tenacious valence audacious blameless faithless fallacious herbaceous hiatus painless sameness shameless shapeless voracious waitress bailiffs baseless faceless ungracious graceless salacious weightless periphrasis tameness patients payments stainless claimants contagious efficacious platelets reagents abeyance capacious sebaceous tasteless vexatious vivacious complaisance faintness vagrants flirtatious ignoramus loquacious mendacious straightness complacence conveyance impatience surveillance assailants pavements placements strangeness basements complainants mandamus repayments quaintness farinaceous humaneness arrangements statements acquaintance advantageous engagements attainments ostentatious inpatients displacements replacements rearrangements emplacements entertainments disadvantageous homeostasis misstatements