What is a verb that ends in ion?

You're asking for a verb that ends in "-ion". However, "-ion" is a common ending for nouns, not verbs.

Here's an example:

* Noun: Action (The act of doing something)

* Verb: Act (To perform an action)

If you're looking for verbs with similar sounds, you might consider:

* Verbs ending in "-ation": celebration, creation, education

* Verbs ending in "-ition": petition, position, repetition

Let me know if you'd like to explore more examples!