How many characters does the biggest word from this list consist of?The biggest word derived by Dictionarypedia is 'chlamydoselachidae'. It is made up 18 characters.
What's the max number of words one can create from words that have 'e' in and end with 'dae'?From this page of words that have 'e' in and end with 'dae', there are 668 combinations that are possible.
What's the highest scoring word in Scrabble available on this page ?As there are a plethora of words to select from, your best choice is 'cephidae' scoring 16 points overall.
Is there an example of a word from this page of word that has 'e' in and ends with 'dae' which might be considered as unusual?The most unusual word from this list is 'emberizidae'. It is defined as "a natural subfamily including buntings and some New World sparrows. Syn. -- Subfamily Emberizidae, subfamily Emberizinae. [WordNet 1.5]".