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