* Rhyming pair: The words need to sound alike.
* Meaning fluke: This implies something unexpected or lucky.
* Two words: One with 5 letters and one with 4 letters.
Here's a possible solution:
* Five letters: LUCKY
* Four letters: BLUFF
Lucky implies good fortune, while bluff can be a trick or a fortunate deception.
Let me know if you'd like to try another word puzzle!