7 Letter Words Starting With OS
Collins lists 43 seven-letter words beginning with OS. The highest scorer is ostmark (13 pts); the rest follow, ranked by Scrabble value.
7 Letter Words Starting With OS
About These 7-Letter Words
Every entry among the seven-letter words beginning with OS in Collins is collected here and ranked by score. There are 43 to work with, which helps when a prefix or the board fixes your opening letter.
Highest-scoring picks
On points, the strongest play here is ostmark at 13. Other high scorers include oscheal (12), ospreys (12), and ossific (12). Because every word is exactly seven letters, any of them can score a bingo when you empty your rack in a single turn.
How these words break down
Out of 43 words, 6 end in -ES and 2 end in -ED and 8 have a double letter.
Where you can play them
These come from the Collins word list; 32 are also valid in Words With Friends, and 36 appear in the North American list (NWL/TWL). Use the dictionary selector in the finder to match the exact game you are playing.
By default the words are ranked by points; switch to A–Z or Z–A with the buttons above, or filter by your letters using the finder.
FAQs - 7 Letter Words Starting with OS
How many 7-letter words start with OS?
There are 43 seven-letter words that start with OS in the Collins Scrabble Words dictionary used on this site.
What is the highest-scoring 7-letter word that starts with OS?
Ostmark scores 13 points, the highest on this page. Playing all seven tiles at once also earns a 50-point bingo bonus in Scrabble.
How is this list of words ordered?
By Scrabble score, highest first. Use the Points, A–Z and Z–A controls above the word list to change the order.
Are 7-letter words that start with OS valid in Words With Friends?
32 of the 43 are also valid in Words With Friends. Switch the dictionary in the finder to see only those.
Can I use these 7-letter words in Wordle?
No. Wordle only accepts five-letter words, so seven-letter words will not fit. This list is for Scrabble, Words With Friends, crosswords and similar games.
Do 7-letter words score a bingo?
Yes. Using all seven of your tiles in one turn scores a 50-point bonus in Scrabble (35 points in Words With Friends), which makes a seven-letter word one of the most valuable plays in the game.