Which word on this page is the most common?The most well-known word for your request is 'original'.
What's the highest scoring word you can play in Scrabble ?With the number of words to pick from, your best choice is to go for 'oralize' which scores 16 points.
How many letters does the longest word on this page consist of?The longest word you could derive from this list is 'orbiculatoelliptical', and it contains 20 characters.
How many usable words are possible to put together from this combination of letters?On this page of words starting with 'or' that contain 'l', you have 407 combinations which can be selected.
Which is the most unique word from this list?The most interesting word from this list is 'oroheliograph'. The definition of 'oroheliograph' is as follows: "A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A mirror of peculiar shape reflects light from the entire horizon to the lens, by means of which it is focused upon the plate.".