Firebush rhymes with:
federbush, ritterbusch, ambush, federbush, flatbush, forbush, furbush, quackenbush, ritterbusch, rosebush, schimmelbusch, shadbush, wedbush, winbush
Firebush sounds like:
fairfax, farabaugh, feverfews, firebaugh, firebug, firebush's, forbes, forbes', forbes's, forbeses, forbess, forbis, forbus, forbush, fraph's, freebies, freehoff's, furbish, furbishes, furbush