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15-Letter Words Starting With SU

  • 171 words
  • All English dictionaries
  • Scrabble points
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Popular 15-Letter Words Starting With SU

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

All 15-Letter Words Starting With SU 171 words · page 2 of 2

Words 121-171 of 171

How common is SU at the start of fifteen-letter words?

Our combined English word list has 171 fifteen-letter words that start with SU. They average 22.2 points, the best is SULPHINPYRAZONE (34 points) and 48% end in S.

Total words
171
Average Scrabble score
22.2
out of 34 max
Everyday words
1%
common in ordinary English
Most common ending
S
48% of words

Most common last letters

  • s 48%
  • n 10.5%
  • y 9.4%

Top vowel pairs

  • io29.8%
  • ia15.8%
  • ie8.2%

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 fifteen-letter word that starts with SU

s 1u 1l 1p 3h 4i 1n 1p 3y 4r 1a 1z 10o 1n 1e 1

S 1 + U 1 + L 1 + P 3 + H 4 + I 1 + N 1 + P 3 + Y 4 + R 1 + A 1 + Z 10 + O 1 + N 1 + E 1 = 34 points

Double word
68 pts
Triple word
102 pts

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

sulphinpyrazone

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 Starting With SU FAQ

How many fifteen-letter words that start with SU are there?

There are 171 fifteen-letter words that start with SU 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 that starts with SU?

SULPHINPYRAZONE is worth 34 points in Scrabble before any bonus squares. Other strong options are SULFAMETHAZINES (32), SULFINPYRAZONES (32), SULPHATHIAZOLES (32).

What are some common fifteen-letter words that start with SU?

Everyday examples include SUPERSTRUCTURES, SUPERINTENDENCE, SUPERINTENDENCY, SUPERINTENDENTS, SUPERSTITIOUSLY, SURREPTITIOUSLY, SUPERCONDUCTORS, SUPERNUMERARIES. Sort the list by "Most common" to see the familiar words first.

Which rare fifteen-letter words that start with SU score well?

Uncommon but valid choices include SULPHINPYRAZONE (34), SULFAMETHAZINES (32), SULFINPYRAZONES (32), SULPHATHIAZOLES (32). Few players know them, so they can catch an opponent off guard.