15-Letter Words Starting With OS
- 8 words
- All English dictionaries
- Scrabble points
All 15-Letter Words Starting With OS 8 words
How common is OS at the start of fifteen-letter words?
Our combined English word list has 8 fifteen-letter words that start with OS. They average 20.1 points and the best is OSTEOPATHICALLY (25 points).
- Total words
- 8
- Average Scrabble score
- 20.1
- out of 25 max
- Everyday words
- 0%
- common in ordinary English
- Most common ending
- S
- 75% of words
Most common last letters
- s 75%
- t 12.5%
- y 12.5%
Top vowel pairs
- eo50%
- ie25%
- ei12.5%
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 OS
o 1s 1t 1e 1o 1p 3a 1t 1h 4i 1c 3a 1l 1l 1y 4
O 1 + S 1 + T 1 + E 1 + O 1 + P 3 + A 1 + T 1 + H 4 + I 1 + C 3 + A 1 + L 1 + L 1 + Y 4 = 25 points
- Double word
- 50 pts
- Triple word
- 75 pts
Face value of the tiles, then the whole word on a double- or triple-word square (letter bonuses and bingos not included).
osteopathically
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 OS FAQ
How many fifteen-letter words that start with OS are there?
There are 8 fifteen-letter words that start with OS 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 OS?
OSTEOPATHICALLY is worth 25 points in Scrabble before any bonus squares. Other strong options are OSCILLOGRAPHIES (23), OSTEOMYELITIDES (21), OSTEOARTHRITICS (20).
Which rare fifteen-letter words that start with OS score well?
Uncommon but valid choices include OSCILLOGRAPHIES (23), OSTEOARTHRITICS (20), OSTEOMYELITISES (20), OSMOREGULATIONS (18). Few players know them, so they can catch an opponent off guard.