Bignell rhymes with:
ahnell, antipersonell, arnelle, avenel, bracknell, brownell, brunelle, bucknell, carbonell, chanel, cornell, cornelle, danell, danelle, darnell, garnell, ginnell, grinnell, hornell, janelle, kanell, knell, leonelle, nel, nell, nelle, personnel, pesnell, quesnel, schnell, schnelle, snell
Bignell sounds like:
bacchanal, bacchanalia, bagnall, bagnell, becknell, becnel, bicknell, bucknell, bushnell