Quirks rhymes with:
overworks, work's, works, works', berkes, birkes, birks, burke's, burkes, burks, clerk's, clerks, clerks', declerck's, declercq's, declerk's, declerque's, deklerk's, derks, dircks, dirkes, dirks, dirkse, irks, jerks, kirk's, kirks, klerk's, lurks, merc's, merck's, overworks, percs, perks, smirks, turks, work's, works, works'
Quirks sounds like:
quaker's, quakers, quark, quarks, quarries, queers, queries, quirk, quirke, quirky, quiroga, quiros, quiroz, qureshey, qureshi