Actually, the word "sporange" rhymes with "orange". To be fair though, "sporange" is a term restricted to biology and is short for "sporangeum" (depending upon the pronunciation, the shortened form cuts 2-3 sylables off of the base word). I remember reading in a grammar column somewhere. I suppose it's not quite fair to use a specialized biological abbreviation as a rhyming word, but the fact remains that it does exist. Also, about those "True facts", are those as opposed to all the false facts floating around out there?
Oh, and if I am not mistaken the longest word in English is "Antidisestablishmentarianism".
Zenmervolt