While "orange" doesn't have many perfect rhymes, here are some words that rhyme with it, or come very close (depending on your accent):

*   **porridge**
*   **storage**
*   **forage**
*   **gorge**
*   **sporange** (a less common biological term)
*   **door hinge** (near rhyme)
*   **flange** (near rhyme)
*   **bluish sponge** (near rhyme, and a bit silly)
