Formby rhymes with:
formbey, formbey, formbey, abercrombie, bambi, biamby, camby, colombe, comby, coulombe, crombie, crumby, cumbie, cumby, demby, fomby, formbey, gumbi, hamby, hemby, lacombe, lambie, lamby, luscombe, mccombie, mumby, nambi, namby-pamby, nimby, palombi, pamby, quimby, rimbey, savimbi, zombie
Formby sounds like:
farmboy, formbey, fornoff, frump, frumpy