Is there a specific word from this page which could be considered as unique?The most unusual word in this list is 'diodon'. 'Diodon' is defined as "1. (Zoöl.) A genus of spinose, plectognath fishes, having the teeth of each jaw united into a single beaklike plate. They are able to inflate the body by taking in air or water, and, hence, are called globefishes, swellfishes, etc. Fishes, and sea hedgehogs. 2. (Zoöl.) A genus...", according to the dictionary.
How many words are possible to make using the specified combination?It's possible to make 142 words with the combination you asked for.
Which word that has 'io' in and ends with 'on' is the most popular word?The most well-known word for the combination you searched is 'violation'.
What is the highest scoring word you can play in Scrabble ?Considering the huge variety of words to decide on, your best option is to consider 'biochron' scoring 15 points in total.
How many letters are in the longest word from this page?'Deinstitutionalization' is the longest word that we could construct.