Faintly rhymes with:
quaintly, saintly, abundantly, accidently, adamantly, antley, apparently, ardently, arrogantly, bentley, bently, blatantly, bluntly, brantley, brantly, brilliantly, cantley, coherently, competently, complacently, concomitantly, concurrently, confidently, consequently, consistently, constantly, conveniently, currently, decently, defiantly, differently, diligently, efficiently, elegantly, eloquently, eminently, evidently, excellently, extravagantly, exultantly, fervently, flagrantly, flamboyantly, fluently, fluorescently, fraudulently, frequently, gallantly, gently, hesitantly, huntley, huntly, imminently, impatiently, importantly, imprudently, inadvertently, incessantly, incoherently, incompetently, independently, indignantly, inefficiently, infrequently, inherently, innocently, insistently, instantly, insufficiently, intelligently, intently, intermittently, jointly, leniently, magnificently, militantly, negligently, nonchalantly, obediently, patently, patiently, permanently, persistently, pertinently, pleasantly, poignantly, predominantly, presently, prominently, prudently, pungently, quaintly, recently, reluctantly, reverently, saintly, significantly, silently, stridently, stringently, subsequently, sufficiently, transparently, triumphantly, unpleasantly, urgently, valiantly, vehemently, violently, virulently
Faintly sounds like:
fandel, fantail, fantle, fendley, findlay, findley, fondle, fondly