Words with 'op' at the start and 'n' at the end

Which word on this page is the most common?
The most popular word for the combination you requested is 'open'.

What is the highest number of points you could get in Scrabble using this list of words beginning with 'op' and ending with 'n'?
One could make 'ophryon' which scores 15 points.

What's a peculiar word from all the word combinations possible ?
One example of a weird word from this page is 'open'. The standard definition of 'open' is as follows: "1. Free of access; not shut up; not closed; affording unobstructed ingress or egress; not impeding or preventing passage; not locked up or covered over; -- applied to passageways; as, an open door, window, road, etc.; also, to inclosed structures or objects; as, open houses, boxes, baskets, bottles, etc.; also,...".

How many acceptable words could one put together with this combination of letters?
On this list of words that start with 'op' and end with 'n', we have found 39 combinations which can be selected.

How many characters are in the largest word from this page?
The biggest word is 18 characters, which is 'ophthalmencephalon'.