How To Spell OPER?
How to Pronounce OPER?
Correct pronunciation for the word "OPER" is [ˈɒpə], [ˈɒpə], [ˈɒ_p_ə].
What are the misspellings for OPER?
Usage over time for OPER:
This graph shows how "OPER" have occurred between 1800 and 2008 in a corpus of English books.