Underdogs rhymes with:
bulldogs, hotdogs, watchdogs, backlogs, bulldogs, bullfrogs, catalogues, dialogues, eggnogs, hotdogs, monologues, sandhogs, synagogues, watchdogs
Underdogs sounds like:
underdog, undertake, undertakes, undertook, undertows, underwoods, underwrites, unitrode's, untruths