Volunteered rhymes with:
steered, adhered, appeared, beaird, beard, bioengineered, cashiered, cheered, cleared, cohered, commandeered, disappeared, eared, feared, geared, interfered, jeered, neared, peered, persevered, pioneered, premiered, reappeared, reared, revered, seared, sheard, sheared, smeared, sneered, steered, veered, weird