Loopers rhymes with:
bloopers, bloopers, cooper's, coopers, groupers, kuipers, poopers, supers, trooper's, troopers, troopers'
Loopers sounds like:
labarge, laberge, labor's, laborers, laborious, labors, labrake, labreck, labrecque, labrioche, labrosse, lafarge, lafevers, laforce, laforge, laibrook, lapeyrouse, laphroaig, laprise, lavers, layovers, leafhoppers, leapfrog, leaver's, lefevers, lefrak, leibrock, lepers, leprosy, leverage, leverich, levers, liberace, liberia's, libraries, library's, librizzi, lifers, lipper's, livers, loafers, loberg, loppers, lover's, lovers, lovers', lubarsky, lubbers, luebbers, lyvers