Perfect Rhymes (but not common words):
* Flex (verb)
* Tex (short for "text" or "Texas")
* Hex (noun, a magic spell)
Near Rhymes (similar sounds):
* Reflex (noun)
* Complex (adjective)
* Index (noun)
* Textile (noun)
Rhymes in context:
* You could use words that rhyme with "net" or "flix" depending on the context of your rhyme. For example, "sunset" could rhyme with "Netflix" in a sentence about watching movies at night.
Ultimately, the best rhyme depends on the specific situation and your desired effect.