You can *describe* the sound of a pig squeal using words like:
* Oink
* Squeal
* Grunt
* Whinny
* Snort
* Wee-wee-wee
You could also use onomatopoeia, which is a word that imitates the sound it represents:
* Oink oink!
* Wee wee wee!
* Squeal!
Let me know if you'd like to hear more about onomatopoeia! 🐷