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12-Letter Words Starting With SUM

  • 7 words
  • All English dictionaries
  • Scrabble points
Dictionary

Popular 12-Letter Words Starting With SUM

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

All 12-Letter Words Starting With SUM 7 words

How common is SUM at the start of twelve-letter words?

Our combined English word list has 7 twelve-letter words that start with SUM. They average 20.3 points and the best is SUMMARIZABLE (27 points).

Total words
7
Average Scrabble score
20.3
out of 27 max
Everyday words
0%
common in ordinary English
Most common ending
S
42.9% of words

Most common last letters

  • s 42.9%
  • e 28.6%
  • d 14.3%

Top vowel pairs

  • au14.3%
  • ei14.3%
  • ou14.3%

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 twelve-letter word that starts with SUM

s 1u 1m 3m 3a 1r 1i 1z 10a 1b 3l 1e 1

S 1 + U 1 + M 3 + M 3 + A 1 + R 1 + I 1 + Z 10 + A 1 + B 3 + L 1 + E 1 = 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).

summarizable

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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12-Letter Words Starting With SUM by the numbers

12-Letter Words Starting With SUM FAQ

How many twelve-letter words that start with SUM are there?

There are 7 twelve-letter words that start with SUM 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 that starts with SUM?

SUMMARIZABLE is worth 27 points in Scrabble before any bonus squares. Other strong options are SUMMERWEIGHT (23), SUMPHISHNESS (22), SUMMERHOUSES (19).

Which rare twelve-letter words that start with SUM score well?

Uncommon but valid choices include SUMMARIZABLE (27), SUMMERWEIGHT (23), SUMPHISHNESS (22), SUMMARISABLE (18). Few players know them, so they can catch an opponent off guard.