13-Letter Words Starting With SI
- 43 words
- All English dictionaries
- Scrabble points
Popular 13-Letter Words Starting With SI
The most familiar words on this list, with their Scrabble scores.
All 13-Letter Words Starting With SI 43 words
How common is SI at the start of thirteen-letter words?
Our combined English word list has 43 thirteen-letter words that start with SI. They average 18.5 points, the best is SIGMOIDECTOMY (24 points) and 55.8% end in S.
- Total words
- 43
- Average Scrabble score
- 18.5
- out of 24 max
- Everyday words
- 2%
- common in ordinary English
- Most common ending
- S
- 55.8% of words
Most common last letters
- s 55.8%
- y 16.3%
- g 7%
Top vowel pairs
- ie14%
- io11.6%
- oi7%
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 thirteen-letter word that starts with SI
s 1i 1g 2m 3o 1i 1d 2e 1c 3t 1o 1m 3y 4
S 1 + I 1 + G 2 + M 3 + O 1 + I 1 + D 2 + E 1 + C 3 + T 1 + O 1 + M 3 + Y 4 = 24 points
- Double word
- 48 pts
- Triple word
- 72 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
sigmoidectomy
- nounsurgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor)
- Scrabble US
- Scrabble UK
- Words With Friends
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Trending word lists
Five-letter lists built from the letters of yesterday's Wordle answer. The set changes every day.
- 5-letter words with LID
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- 5-letter words starting with SLI
- 5-letter words starting with S
- 5-letter words ending in DE
- 5-letter words starting with SL
- 5-letter words ending in IDE
- 5-letter words with L
- 5-letter words with I
- 5-letter words with D
- 5-letter words ending in E
How to use this word list
Playing words that start with SI
13-Letter Words Starting With SI by the numbers
13-Letter Words Starting With SI FAQ
How many thirteen-letter words that start with SI are there?
There are 43 thirteen-letter words that start with SI 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 thirteen-letter word that starts with SI?
SIGMOIDECTOMY is worth 24 points in Scrabble before any bonus squares. Other strong options are SIGMOIDOSCOPY (24), SINGULARIZING (24), SIZABLENESSES (24).
What are some common thirteen-letter words that start with SI?
Everyday examples include SIGNIFICANTLY, SIGNIFICATION, SIDESPLITTING, SINGULARITIES. Sort the list by "Most common" to see the familiar words first.
Which rare thirteen-letter words that start with SI score well?
Uncommon but valid choices include SIGMOIDECTOMY (24), SIGMOIDOSCOPY (24), SINGULARIZING (24), SIZABLENESSES (24). Few players know them, so they can catch an opponent off guard.