The abbreviation cluster OPER for operis occurs 2 times.
Click here for a list of all attestations.
| All solutions for the abbreviation cluster OPER | ||||
| Abbreviation cluster | Abbreviated word cluster | Frequency | ||
| OPER | opera | 3 | ||
| OPER | operis | 2 | ||
| OPER | operum | 2 | ||
| OPER | operae | 1 | ||
| OPER | operam | 1 | ||
| OPER | operas | 1 | ||