Yes, OS is a valid word.OS is a two-letter word in our dictionary. It means a bone; also a ridge of gravel.
OS in word games
| Game | Base points | On a double word | On a triple word |
|---|---|---|---|
| Scrabble | 2 | 4 | 6 |
| Words With Friends | 2 | 4 | 6 |
Two-letter words like OS are how strong players score in tight spots. Laid parallel to another word, OS forms several short words at once, and each one scores.
Hooks for OS
OS takes 8 front hooks and 1 back hook.
Front hooks: BOS, COS, DOS, KOS, MOS, NOS, SOS, WOS
Back hooks: OSE
Anagrams and words inside OS
Its letters also spell SO.
Longer words that start or end with OS
Our dictionary has 209 longer words that begin with OS and 899 that end with it, and the highest scoring of them is OSCILLOGRAPHICALLY at 31 Scrabble points.
Starting with OS:
OSE, OSAR, OSES, OSSA, OSIER, OSMIC, OSMOL, OSSIA, OSTIA, OSCINE, OSCULA, OSCULE, OSIERS, OSMICS, OSMIUM, OSMOLE, OSMOLS, OSMOSE, OSMOUS, OSMUND, OSPREY, OSSEIN, OSSIFY, OSTEAL and 185 more
Ending with OS:
BOS, COS, DOS, KOS, MOS, NOS, SOS, WOS, ABOS, ADOS, AVOS, BIOS, BOOS, BROS, COOS, DUOS, EGOS, EPOS, EROS, GOOS, LOOS, MHOS, MOOS, NAOS and 875 more
Frequently asked questions
Is OS a valid Scrabble word?
Yes. OS is in the ENABLE word list that this site uses, which closely matches the dictionary used for North American Scrabble. Collins, the list used in most other countries, contains nearly every ENABLE word as well. For tournament play, confirm against the official list for your event.
What does OS mean?
OS means a bone; also a ridge of gravel.
How many points is OS worth?
OS is worth 2 points in Scrabble and 2 points in Words With Friends before any premium squares. A double word square doubles that, and a triple word square triples it.
What words can you make by adding a letter to OS?
OS takes 8 front hooks and 1 back hook. Adding a letter to an existing word on the board, a hook, scores the whole new word.
Examples: BOS, COS, DOS, KOS, MOS, OSE.