Firstly, orange does rhyme with a few words: there's the word 'sporange' in botany (and related words hypnosporange, macrosporange, and megasporange) whose American pronunciation rhymes with 'orange', there's a hill 'Blorenge' in Wales, and it has been claimed (perhaps humorously) that in some dialects, 'door-hinge' is pronounced to rhyme with ...