What is the largest word you can construct using this list?The longest word that's possible to construct from this list is 'pygobranchiata', which consists of 14 characters.
How many words could one make using the combination specified?You can pick from up to 38 words.
What is the highest scoring word you can play in Scrabble ?You could make 'pygmydom' which scores 22 points in Scrabble.
What is an unique word from this list?Certainly one of the most weird words from this list of words that start with 'pyg' is 'pygidium'. The definition of 'pygidium' is as follows: "The caudal plate of trilobites, crustacean, and certain insects. See Illust. Of Limulus and Trilobite.". Source Oxford Dictionary.