9 Letter Words That End in IUM

There are 118+ nine letter words ending in IUM in our English dictionary. Every nine-letter IUM-ending word below is valid in the Scrabble (TWL and SOWPODS), Wordle, and Words With Friends dictionaries, sortable and ready for your next puzzle. You can also browse all words ending in IUM.

Popular 9-Letter Words Ending in IUM

potassium 13
aluminium 13
americium 15
arbitrium 13
calvarium 16
criterium 13
dicalcium 16
dichasium 17
encolpium 15
fastigium 15
hieracium 16
hydronium 18

All 9-Letter Words Ending in IUM (84 words)

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How Common is IUM as an Ending 9 Letter word?

There are 118 9-letter words ending in IUM in English. The average Scrabble score here is 15.6.

Total Words
118
Avg Scrabble Score
15.6
Top Vowel Pairs
IU
OE

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9 Letter Words ending in IUM are often very useful for word games like Scrabble and Words with Friends. This list will help you to find the top scoring words to beat the opponent. Word Finder by WordTips gives you a list of words ordered by their word game points of your choice. You might also be interested in 9 Letter Words with IUM.

Are you playing Wordle? Try our New York Times Wordle Solver or use the Include and Exclude features on our 9 Letter Words page when playing Dordle, WordGuessr or any other Wordle-like games. They help you guess the answer faster by allowing you to input the good letters you already know and exclude the words containing your bad letter combinations.

Highest-Scoring 9-Letter IUM-Words in Scrabble

rhizobium 25
zoocytium 25
hydroxium 25
excambium 24
mazaedium 23
trapezium 22

What is the highest scoring word in Scrabble that ends with IUM?

25 Points

The highest scoring word in Scrabble that ends with IUM is rhizobium with a total of 25 points.

R 1
H 4
I 1
Z 10
O 1
B 3
I 1
U 1
M 3
noun 1. a nitrogen-fixing bacterium that is common in the soil, especially in the root nodules of leguminous plants

FAQ 9 Letter Words That End in IUM

  • How many 9 letter words ending with IUM are in the English dictionary?

    There are 118 9-letter words in the English dictionary that end with IUM. The average Scrabble score across them is 15.6.

  • Are there any rare 9 letter words ending in IUM worth more in Scrabble?

    Yes. Uncommon 9-letter words like "rhizobium", "zoocytium", "deliquium", "trapezium" end with IUM and can score big thanks to their unusual letters. "rhizobium" is worth 25 points in Scrabble before any bonus tiles.

  • What are the most common 9 letter words ending in IUM?

    Everyday 9-letter words ending in IUM include "potassium", "aluminium", "americium", "arbitrium", "calvarium".