9-Letter Words Ending in IUM
- 113 words
- All English dictionaries
- Scrabble points
Popular 9-Letter Words Ending in IUM
The most familiar words on this list, with their Scrabble scores.
All 9-Letter Words Ending in IUM 113 words
How common is IUM at the end of nine-letter words?
Our combined English word list has 113 nine-letter words ending in IUM. They average 15.4 points, the best is RHIZOBIUM (25 points) and C is the most common first letter (14.2%).
- Total words
- 113
- Average Scrabble score
- 15.4
- out of 25 max
- Everyday words
- 4%
- common in ordinary English
- Most common first letter
- C
- 14.2% of words
Most common first letters
- c 14.2%
- p 9.7%
- s 9.7%
Top vowel pairs
- iu100%
- oe3.5%
- ae2.7%
Share of words where these two vowels sit side by side.
Rare words worth knowing
Valid in this dictionary but rarely seen in everyday English.
Highest-scoring nine-letter word ending in IUM
r 1h 4i 1z 10o 1b 3i 1u 1m 3
R 1 + H 4 + I 1 + Z 10 + O 1 + B 3 + I 1 + U 1 + M 3 = 25 points
- Double word
- 50 pts
- Triple word
- 75 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
rhizobium
- nounthe type genus of Rhizobiaceae; usually occur in the root nodules of legumes; can fix atmospheric oxygen
- Scrabble US
- Scrabble UK
- Words With Friends
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9-Letter Words Ending in IUM by the numbers
9-Letter Words Ending in IUM FAQ
How many nine-letter words ending in IUM are there?
There are 113 nine-letter words ending in IUM in our combined English word list. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.
What is the highest-scoring nine-letter word ending in IUM?
RHIZOBIUM is worth 25 points in Scrabble before any bonus squares. Other strong options are ZOOCYTIUM (25), EXCAMBIUM (24), MAZAEDIUM (23).
What are some common nine-letter words ending in IUM?
Everyday examples include BACTERIUM, PLUTONIUM, GYMNASIUM, POTASSIUM, MAGNESIUM, ZIRCONIUM, SYMPOSIUM, NEPTUNIUM. Sort the list by "Most common" to see the familiar words first.
Which rare nine-letter words ending in IUM score well?
Uncommon but valid choices include ZOOCYTIUM (25), EXCAMBIUM (24), MAZAEDIUM (23), CYMBIDIUM (21). Few players know them, so they can catch an opponent off guard.