What is an interesting word on this list?By far the most weird word from this list is 'coheirship'. The definition of 'coheirship' is as follows: "The state of being a coheir.". Source Oxford Dictionary.
How many possible words can you make using this list?One could make 2 words using the combination you specified.
How many letters does the longest word from this page contain?The longest word you could construct from the specified combination is 'cohelpership', and it contains 12 characters.