Guardrails rhymes with:
handrails, conrail's, handrails, airedales, bloomingdale's, bloomingdales, clinkscales, coattails, cocktails, conrail's, dovetails, fairytales, female's, females, fingernails, handrails, hemdale's, horsetails, lawnsdale's, mondale's, monorails, palmdale's, resales, retails, stockdale's, telltales, toenails, wholesales