Starting With OS
33 words · highest scoring is ostracizable at 25 points
33Words
About 12 Letter Words Starting With OS
There are 33 twelve letter words starting with OS in our dictionary. The highest scoring is ostracizable at 25 points, counting tile values before any double or triple squares.
The list leads with everyday words so the ones you recognise come first; sort by Scrabble points to put the best play on top, or switch to A-Z to scan alphabetically. Select any word to read its definition and see which dictionaries accept it.
For a wider net, try 12 Letter Words With OS or Words Starting With OS, which drops the length limit entirely.
12 Letter Words Starting With OS at a Glance
Highest Scoring 12 Letter Words Starting With OS
- ostracizable25
- osteichthyan23
- oscillograph20
- oscilloscope18
- osteomalacic18
- ostreophages18
- oscillograms17
- oseltamivirs17
12 Letter Words Starting With OS by Last Letter
- 12 Letter Words Starting With OS Ending in S
- 12 Letter Words Starting With OS Ending in C
- 12 Letter Words Starting With OS Ending in E
- 12 Letter Words Starting With OS Ending in A
- 12 Letter Words Starting With OS Ending in N
- 12 Letter Words Starting With OS Ending in H
- 12 Letter Words Starting With OS Ending in L
- 12 Letter Words Starting With OS Ending in T
12 Letter Words Starting With OS Defined
- ostracizableAdjective · 25 points
- Capable of being ostracized.
- ostracodermsNoun · 17 points
- an early jawless fossil fish of the Cambrian to Devonian periods, having a heavily armoured body
- oscillationsNoun · 14 points
- movement back and forth in a regular rhythm
- osteoporosisNoun · 14 points
- a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D
12 Letter Words Starting With OS: Questions
How many twelve letter words starting with OS are there?
There are 33 twelve letter words starting with OS in our dictionary, though they are all uncommon words rather than everyday vocabulary.
What is the highest scoring word among twelve letter words starting with OS?
OSTRACIZABLE is the highest scoring option at 25 points, counting tile values only and before any double or triple squares.
What are some common twelve letter words starting with OS?
OSCILLATIONS, OSTENTATIOUS, OSTEOPATHIES are among the most familiar twelve letter words starting with OS. Select any word in the list to read its definition.
Are these twelve letter words starting with OS valid in Scrabble and Words With Friends?
Every word is drawn from a tournament word list, so most are playable everywhere. Use the dictionary selector to narrow the list to Scrabble US (NWL2023), Scrabble UK (CSW24) or Words With Friends and see only the words that game accepts.