They are spelled similarly and look like they should rhyme, but they are pronounced differently.
Here's another example:
"through" and "enough."
They share similar spellings but have distinct pronunciations.
Ear rhymes are often used in poetry and songwriting to create a sense of playfulness or to emphasize a particular word. They can also be used to create a feeling of dissonance or to highlight the difference between what something looks like and how it sounds.