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12-Letter Words Ending in UM

  • 71 words
  • All English dictionaries
  • Scrabble points
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All 12-Letter Words Ending in UM 71 words

How common is UM at the end of twelve-letter words?

Our combined English word list has 71 twelve-letter words ending in UM. They average 19.9 points, the best is QUINQUENNIUM (32 points) and P is the most common first letter (22.5%).

Total words
71
Average Scrabble score
19.9
out of 32 max
Everyday words
0%
common in ordinary English
Most common first letter
P
22.5% of words

Most common first letters

  • p 22.5%
  • s 14.1%
  • c 8.5%

Top vowel pairs

  • iu62%
  • io7%
  • ae4.2%

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 twelve-letter word ending in UM

q 10u 1i 1n 1q 10u 1e 1n 1n 1i 1u 1m 3

Q 10 + U 1 + I 1 + N 1 + Q 10 + U 1 + E 1 + N 1 + N 1 + I 1 + U 1 + M 3 = 32 points

Double word
64 pts
Triple word
96 pts

Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).

quinquennium

  1. nouna period of five years
  • Scrabble US
  • Scrabble UK
  • Words With Friends

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12-Letter Words Ending in UM by the numbers

12-Letter Words Ending in UM FAQ

How many twelve-letter words ending in UM are there?

There are 71 twelve-letter words ending in UM 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 twelve-letter word ending in UM?

QUINQUENNIUM is worth 32 points in Scrabble before any bonus squares. Other strong options are XYLOBALSAMUM (28), CHLOROPHYTUM (27), AMPHITHECIUM (26).

Which rare twelve-letter words ending in UM score well?

Uncommon but valid choices include XYLOBALSAMUM (28), CHLOROPHYTUM (27), KURCHATOVIUM (26), CLADOPHYLLUM (25). Few players know them, so they can catch an opponent off guard.