Here's what rhymes with faithfully.
unfaithfully Words that almost rhyme with faithfully
gracefully disgracefully ungracefully shamefully fatefully hatefully painfully fatally gainfully shakily balefully faithlessly wakefully shadily hastily gratefully aimlessly famously playfully daintily shamelessly tastefully wastefully facially hazily weightily heinously cagily shapelessly agelessly agency vacancy gaiety laity papacy racially spatially anciently disdainfully vagrancy matronly painlessly capably nakedly nasally ashamedly tastily throatily weightlessly changeably namelessly racily latency courageously crazily flagrantly ungratefully glacially blamelessly distastefully spaciously unshakably elatedly flagrancy fragrantly tastelessly unshakeably brainlessly masonry patiently graciously mistakenly belatedly blatantly outrageously brazenly unashamedly voraciously audaciously prenatally insatiably vivaciously cravenly fallaciously blatancy gracelessly salaciously salacity incapably palatially tenaciously inescapably tetralogy adjacency efficaciously flirtatiously vexatiously adjacently contagiously capaciously impatiently unmistakably advantageously interchangeably interagency freemasonry ungraciously mendaciously loquaciously ostentatiously organizationally pertinaciously organisationally perspicaciously complacency quantitatively complacently computationally calculatedly complaisantly disputatiously disadvantageously