Ferns rhymes with:
adjourns, berns, burnes, burns, burns', byrne's, byrnes, churns, concern's, concerns, concerns', discerns, earns, hearns, kearns, kern's, kernes, kerns, learns, mearns, querns, returns, returns', sauternes, spurns, stearns, stern's, sterns, ternes, terns, turns, vernes, yearns
Ferns sounds like:
fairness, farinacci, farinas, faring, farm's, farmhouse, farmhouses, farming, farming's, farms, farms', farnes, farrens, farrowing, favoring, fearing, fehring, ferenc, ference, ferencz, ferrency, ferrying, fibronic, fibronics, fiorenza, firearms, fireman's, firenza, firenzas, firing, firings, firm's, firmans, firming, firmness, firms, firms', foraying, forearms, forensic, forensics, forewarning, forewarns, forewing, forewings, forinash, form's, formanek, formic, formica, formica's, forming, formosa, formoso, forms, fornes, forness, forum's, forums, frames, framing, franc, franc's, franca, francais, francaise, francaises, france, france's, francek, frances, francesca, franceschi, francesco, francesco's, francese, franchi, franchik, franchise, franchise's, franchisee, franchisees, franchisees', franchises, francia, francie, francies, francis, francis', francisco, francisco's, franciso, franck, francke, franckowiak, franco, franco's, francois, francoise, francs, francy, franczak, franek, frangos, franjo, frank, frank's, franke, frankie, frankiewicz, frankish, franko, frankowski, franks, frans, franz, franze, franzese, fraying, freeing, freeman's, freemans, freemen's, freewing, french, french's, frenz, frenzies, frenzy, freons, fringe, fringes, frink, froemming, fronczak, fronek, froning, fronk, frowning, frowns, frunze, frying, fuhrman's, fuhrmann's, fuhrmans, furini's, furnace, furnace's, furnaces, furnas, furness, furnish, furnishes, furniss