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15-Letter Words Starting With SO

  • 26 words
  • All English dictionaries
  • Scrabble points
Dictionary

All 15-Letter Words Starting With SO 26 words

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

Our combined English word list has 26 fifteen-letter words that start with SO. They average 20.9 points, the best is SOUTHWESTWARDLY (28 points) and 61.5% end in S.

Total words
26
Average Scrabble score
20.9
out of 28 max
Everyday words
0%
common in ordinary English
Most common ending
S
61.5% of words

Most common last letters

  • s 61.5%
  • y 23.1%
  • l 7.7%

Top vowel pairs

  • io42.3%
  • ou19.2%
  • ie15.4%

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 SO

s 1o 1u 1t 1h 4w 4e 1s 1t 1w 4a 1r 1d 2l 1y 4

S 1 + O 1 + U 1 + T 1 + H 4 + W 4 + E 1 + S 1 + T 1 + W 4 + A 1 + R 1 + D 2 + L 1 + Y 4 = 28 points

Double word
56 pts
Triple word
84 pts

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

southwestwardly

  1. adverbin a southwestward direction
  • Scrabble US
  • Scrabble UK
  • Words With Friends

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15-Letter Words Starting With SO FAQ

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

There are 26 fifteen-letter words that start with SO 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 SO?

SOUTHWESTWARDLY is worth 28 points in Scrabble before any bonus squares. Other strong options are SOPHISTICATEDLY (26), SOLUBILIZATIONS (26), SOMATOLOGICALLY (23).

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

Uncommon but valid choices include SOLUBILIZATIONS (26), SOMATOLOGICALLY (23), SOCIOCULTURALLY (22), SOCIOHISTORICAL (22). Few players know them, so they can catch an opponent off guard.