In total, how many words are possible to make using the combination requested?There are 90 words you could use for words that start with 'ope' and include 'r'.
What's the most common word on this page?The most popular word for the combination you requested is 'operation'.
In Scrabble, what is the highest possible score you can get using this list of words that start with 'ope' and include 'r'?One can make 'openwork' scoring 17 points.
What's the longest word you can assemble using words that start with 'ope' and include 'r'?'operationalistic'!
What is an example of a interesting word that starts with 'ope' and includes 'r'?By far the most interesting word in this list is 'operculate'. According to the English dictionary, 'operculate' is defined as "1. (Bot.) Closed by a lid or cover, as the capsules of the mosses. 2. (Zoöl.) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.".