This Scottish poet rhymed "purple" with "curple" (meaning "the rump")
This 
Scottish poet rhymed "purple" with "curple" (meaning "the rump")... [DOC] [TLE] List of English words without rhymes - Wikipedia [PAR] The following is a list of English words without rhymes, called refractory rhymes
that is, a list of ... aitch /-et/, rhymes with dialectal nache (the bony point on 
the rump of an ox or cow) ... cairn, rhymes with bairn, a Northern English and 
Scottish word meaning child ..... "Orange, Silver, now Purple (More Lexical 
Lunacy)".