In total, how many words are possible to make using the combination of letters requested?There are 1,064 words possible using words that have 'to' in and end with 'a'.
What is the longest word you can derive from this list?'Dacryocystoblennorrhea' is the largest word that Dictionarypedia could assemble, made up of 22 letters
Which word on this page is the most common?As far as well-known words go, there's 'toda', which ranks as the 12153rd most popular word.
What's an unusual word on this list?Standing as the most peculiar word on this list is 'chilostoma'. The definition of 'chilostoma' is as follows: "An extensive suborder of marine Bryozoa, mostly with calcareous shells. They have a movable lip and a lid to close the aperture of the cells. [Also written Chillostomata.]". Source Cambridge Dictionary.
What is the highest scoring word in Scrabble you can play for ?Given there are a multitude of words to pick from, your best option is 'cytozzoa' scoring 31 points.