What are some words with the suffix er in middle?

You're looking for words with the suffix "-er" in the *middle* of the word. Here are some examples:

Words with "-er" in the middle:

* Calendar

* Diameter

* Kindergartner

* Transfer

* Glider

* Caterpillar

* Shepherd

* Barber

* Teacher

* Beginner

* Undertaker

Remember: These are just a few examples. There are many other words with "-er" in the middle, depending on the specific definition you're looking for.