The homophone of "flu" is "flew".
A homophone is a word that sounds the same as another word but has a different meaning and spelling. "Flu" is short for influenza, a viral infection. "Flew" is the past tense of the verb "to fly," meaning to move through the air.
Here are some examples of how these words are used in sentences:
* I got the **flu** last week and felt terrible.
* The bird **flew** away from the tree.
Remember, even though they sound the same, "flu" and "flew" have distinct meanings and spellings.