15-Letter Words Starting With SI
- 15 words
- All English dictionaries
- Scrabble points
Popular 15-Letter Words Starting With SI
The most familiar words on this list, with their Scrabble scores.
All 15-Letter Words Starting With SI 15 words
How common is SI at the start of fifteen-letter words?
Our combined English word list has 15 fifteen-letter words that start with SI. They average 22 points, the best is SIGNIFICATIVELY (27 points) and 53.3% end in S.
- Total words
- 15
- Average Scrabble score
- 22
- out of 27 max
- Everyday words
- 0%
- common in ordinary English
- Most common ending
- S
- 53.3% of words
Most common last letters
- s 53.3%
- y 20%
- n 13.3%
Top vowel pairs
- io26.7%
- ie20%
- oi13.3%
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 fifteen-letter word that starts with SI
s 1i 1g 2n 1i 1f 4i 1c 3a 1t 1i 1v 4e 1l 1y 4
S 1 + I 1 + G 2 + N 1 + I 1 + F 4 + I 1 + C 3 + A 1 + T 1 + I 1 + V 4 + E 1 + L 1 + Y 4 = 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).
significatively
Form of significative
- adjective(usually followed by `of') pointing out or revealing clearly“actions indicative of fear”
- Scrabble US
- Scrabble UK
- Words With Friends
Runners-up
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15-Letter Words Starting With SI by the numbers
15-Letter Words Starting With SI FAQ
How many fifteen-letter words that start with SI are there?
There are 15 fifteen-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 fifteen-letter word that starts with SI?
SIGNIFICATIVELY is worth 27 points in Scrabble before any bonus squares. Other strong options are SINGULARIZATION (25), SIMPLIFICATIONS (24), SILVERSMITHINGS (24).
Which rare fifteen-letter words that start with SI score well?
Uncommon but valid choices include SIGNIFICATIVELY (27), SINGULARIZATION (25), SILVERSMITHINGS (24), SIGMOIDECTOMIES (23). Few players know them, so they can catch an opponent off guard.