Here's what rhymes with theirs.
shares heirs hairs airs fairs fares hares errs affairs tears bears pairs stairs cares chairs wares wears dares flares mares pears snares spares stares swears scares tares pares prayers squares repairs upstairs impairs thoroughfares declares compares downstairs prepares unawares questionnaires millionaires Words that almost rhyme with theirs
cells shells sells self else health tells bells scarce shelf wells spells gels smells swells belles yells elf wealth hotels dwells stealth delve excels itself myself herself yourself twelve thyself farewells impels motels repels himself oneself compels cartels concierge parallels organelles commonwealth says heads eggs hens sheds ens ends legs beds lens sends stems threads selves shelves tens begs gems pens dens elms gens pegs reds shreds webs elves sleds friends tends lends realms spends spreads bends cleanse theorems ascends dregs welds breads dreads glens offends spectres treads ourselves trends descends amends attends blends defends morphemes arrowheads overheads themselves depends extends intends yourselves condemns commends overwhelms suspends watersheds dividends contends pretends transcends apprehends recommends comprehends