Bellwether rhymes with:
fairweather, mayweather, meriweather, meriwether, starkweather, fairweather, mayweather, meriweather, meriwether, starkweather
Bellwether sounds like:
balder, baldor, baldree, baldry, baldur, balladur, balter, baltierra, beholder, beladur, belter, bewilder, billeter, billiter, bladder, blather, blatter, bloodier, blotter, blowdry, blowdryer, boelter, bolder, bollettieri, bolter, boulder, boulter, builder