What words end with the suffix -ion?

You're asking for a lot! The suffix "-ion" is very common in English, creating nouns. It's impossible to list every word ending with "-ion", but I can give you some examples and categories to get you started:

Common Examples:

* Action

* Attention

* Decision

* Education

* Information

* Nation

* Reaction

* Solution

Categories of words ending in "-ion":

* Actions/Processes: formation, eruption, digestion, construction, production, migration

* States/Conditions: depression, confusion, tension, suspicion, ambition

* Concepts/Ideas: tradition, revolution, evolution, innovation, civilization

* Objects/Places: station, mansion, ocean, region, junction

Finding more words:

* Dictionaries: Look up the "-ion" entry in any dictionary.

* Thesaurus: Use a thesaurus to find synonyms for words ending in "-ion".

* Word Games: Crossword puzzles and other word games often feature words ending in "-ion".

Remember, the "-ion" suffix often comes from Latin or Greek roots. This can help you identify words ending in "-ion" if you are familiar with those languages.