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Words Ending in SUM

  • 20 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular Words Ending in SUM

The most familiar words on this list, with their Scrabble scores.

All Words Ending in SUM 20 words

6-Letter Words Ending in SUM 7

Full 6-letter list

How common is SUM at the end of words?

Our combined English word list has 20 words ending in SUM. Most are 6 letters long, they average 12.7 points, the best is FIDEICOMMISSUM (26 points) and O is the most common first letter (20%).

Total words
20
Most common length
6 letters
7 words
Average Scrabble score
12.7
out of 26 max
Longest word
FIDEICOMMISSUM
14 letters
Most common first letter
O
20% of words

Words by length

Most common first letters

  • o 20%
  • a 15%
  • s 15%

Top vowel pairs

  • ei5%
  • ou5%

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 word ending in SUM

f 4i 1d 2e 1i 1c 3o 1m 3m 3i 1s 1s 1u 1m 3

F 4 + I 1 + D 2 + E 1 + I 1 + C 3 + O 1 + M 3 + M 3 + I 1 + S 1 + S 1 + U 1 + M 3 = 26 points

Double word
52 pts
Triple word
78 pts

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

fideicommissum

No dictionary definition on file. This is a valid game word that standard dictionaries rarely cover.

  • Scrabble US
  • Scrabble UK
  • Words With Friends

Runners-up

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Words ending in…

abcdefghijklmnopqrstuvwxyz

Words ending in SUM by length

Add a letter before SUM

Each link adds one letter and keeps only combinations that have words.

Change the first letter of SUM

Trending word lists

Five-letter lists built from the letters of yesterday's Wordle answer. The set changes every day.

How to use this word list

Why endings like SUM matter

Words Ending in SUM by the numbers

Words Ending in SUM FAQ

How many words ending in SUM are there?

There are 20 words ending in SUM in our combined English word list. The most common length is 6 letters, with 7 words. Other dictionaries give different totals, so switch dictionary at the top of the list to compare.

What is the highest-scoring word ending in SUM?

FIDEICOMMISSUM is worth 26 points in Scrabble before any bonus squares. Other strong options are HELICHRYSUM (24), CHECKSUM (21), ODONTOGLOSSUM (17).

What are some common words ending in SUM?

Everyday examples include SUM, POSSUM, OPOSSUM, GYPSUM. Sort the list by "Most common" to see the familiar words first.

What is the longest word ending in SUM?

FIDEICOMMISSUM has 14 letters. If you prefer a word people actually use, OPOSSUM (7 letters) is the longest common one.