2. Abbreviation. operation ¹
3. Abbreviation. operator ¹
4. Abbreviation. operative ¹
5. Abbreviation. A detective ¹
6. Abbreviation. Operator’s license, usually ''ops'' ¹
7. Abbreviation. opportunity ¹
¹ Source: wiktionary.com
2. Abbreviation. operation ¹
3. Abbreviation. operator ¹
4. Abbreviation. operative ¹
5. Abbreviation. A detective ¹
6. Abbreviation. Operator’s license, usually ''ops'' ¹
7. Abbreviation. opportunity ¹
¹ Source: wiktionary.com