From 29,663 11-letter words in the dictionary, our WordFinder extracted 646 that end in TION, and you can see them all on this page. All of these words have high value in Scrabble and will get you 15.5 points on average, with OZONIZATION having the highest value with 29 points.
If TION is the ending phrase you want to incorporate into your word but want to go beyond just 11-letter words, we have a list of all words ending in TION from the dictionary for you.
Modify results
For Scrabble and other word games, if you need to form an 11-letter words ending in TION, you should know that most of these words start with the letter C, as 77 out of 646 from this group start with this letter.