15-Letter Words Ending in IUM
- 7 words
- All English dictionaries
- Scrabble points
All 15-Letter Words Ending in IUM 7 words
How common is IUM at the end of fifteen-letter words?
Our combined English word list has 7 fifteen-letter words ending in IUM. They average 24 points and the best is CRYPTOSPORIDIUM (27 points).
- Total words
- 7
- Average Scrabble score
- 24
- out of 27 max
- Everyday words
- 0%
- common in ordinary English
- Most common first letter
- C
- 28.6% of words
Most common first letters
- c 28.6%
- m 28.6%
- a 14.3%
Top vowel pairs
- iu100%
- ae14.3%
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 fifteen-letter word ending in IUM
c 3r 1y 4p 3t 1o 1s 1p 3o 1r 1i 1d 2i 1u 1m 3
C 3 + R 1 + Y 4 + P 3 + T 1 + O 1 + S 1 + P 3 + O 1 + R 1 + I 1 + D 2 + I 1 + U 1 + M 3 = 27 points
- Double word
- 54 pts
- Triple word
- 81 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
cryptosporidium
No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.
- Scrabble US
- Scrabble UK
- Words With Friends
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15-Letter Words Ending in IUM by the numbers
15-Letter Words Ending in IUM FAQ
How many fifteen-letter words ending in IUM are there?
There are 7 fifteen-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 fifteen-letter word ending in IUM?
CRYPTOSPORIDIUM is worth 27 points in Scrabble before any bonus squares. Other strong options are ARCHAEBACTERIUM (26), CORYNEBACTERIUM (26), MICROSPORANGIUM (24).
Which rare fifteen-letter words ending in IUM score well?
Uncommon but valid choices include CRYPTOSPORIDIUM (27), ARCHAEBACTERIUM (26), CORYNEBACTERIUM (26), MACROSPORANGIUM (24). Few players know them, so they can catch an opponent off guard.