* Great
* Break
* Steak
* Cream
* Clean
* Team
* Treat
* Reap
* Read
* Bead
* Meal
* Each
* Sea
* Weak
* Speak
* Peace
* Leaf
* Dream
This is not an exhaustive list, but it gives you a good starting point. Remember that the sound of "ea" can vary depending on the word, so it's always best to check a dictionary if you're unsure.