- COS
- Cosine (Academic & Science » Mathematics)*** Church Of Scientology (Community » Religion)** KosinüS (International » Turkish)** Class Of Service (Computing » Networking)* Chief Of Staff (Governmental » Military)* Corsican (Regional » Language Codes (3 Letters))* Chamber Of Secrets (Community » Sports)* Chamber of Secrets (Miscellaneous » Science Fiction)* Chamber Of Secrets (Governmental » US Government)* Community Of Science (Academic & Science » Universities)* Change Of State (Academic & Science » Electronics)* Cost of Service (Computing » Networking)* Church Of Satan (Community » Religion)* College Of Sciences (Academic & Science » Universities)* Computer Operating System (Computing » Software)* Cosmic Origins Spectrograph (Governmental » NASA)* Common Object Services (Computing » Networking)* Corporation for Open Systems (Governmental » Military)* Corporation for Open Systems (Computing » General)* Corps Support (Governmental » Military)* Christ Our Savior (Community » Religion)* Change of Subject (Internet » Chat)* City of Colorado Springs Municipal Airport (Governmental » Transportation)* City Of Stirling (Governmental » State & Local)* Central Operating System (Computing » Networking)* Chief Of Security (Business » Positions)
Abbreviations dictionary. 2012.