Erk rhymes with:
berch, berk, berke, berserk, birk, bjerke, bourke, burck, burk, burke, cirque, clerc, clercq, clerk, declerck, declercq, declerk, declerque, deklerk, derk, dirk, erck, ferch, gerk, gerke, herk, irk, jerk, kirch, kirk, klerk, kurk, leclerc, lerch, lurk, magouirk, mcguirk, mcgurk, merc, merck, merk, murch, murk, overwork, perc, perk, purk, quirk, quirke, rework, sherk, shirk, sirk, smirk, sterk, sturc, turck, turk, werk, werke, work, yerke, zirk
Erk sounds like:
ears, earwax, ehrich, ehrig, ehrke, eirich, era's, eras, erase, erases, erazo, erceg, erck, ergo, eric, eric's, erica, erich, erick, ericka, erik, erik's, erika, erisa, eroica, eros, errico, errors, errs, ers, erykah, eurasia, eureca, eureka, eurich, eurocheck, eurochecks, euros, ewers, eyrich