“You may have heard that nothing rhymes with orange; that isn’t quite true. Watch the video to find out the rare word that does rhyme with orange, and learn about the difference between a full rhyme and a half-rhyme.” (Oxford Dictionaries)
The ever present question to stump people with: What rhymes with orange? The answer is sporange, a rare form of the word sporangium, a botanical term for the part of a fern or a similar plant. The above video touches upon the difference between a full rhyme and a half-rhyme as well, and we learn that orange has many half-rhymes associated with it.
Mmmm, orange. Onwards!