Eye rhymes (rhymes that audio unique but use the exact same spelling) are much more frequent in English verse just before the nineteenth century, when the convention fell from favor with numerous writers. "Shew'th" (which means: "demonstrates") and "endu'th" (that means: "endures") are definitely the pressured rhymes in this instance. https://dallaszksye.bloggazzo.com/26932381/5-simple-statements-about-types-of-rhymes-in-poems-explained