Words ending in 'dei'

What word that ends with 'dei' is the most unusual?
A good example of an unusual word from this list goes to 'siluroidei'. According to the Oxford dictionary, 'siluroidei' means "An order of fishes, the Nematognathi.".

What is the highest score you could get in Scrabble using this list of words that end with 'dei'?
One can make 'zeoidei' which gets 17 in Scrabble.

How many possible words can you make using this list?
From this list of words that end with 'dei', you have 33 brilliant combinations which are available in total.

Which word on this page has the highest letter count?
There are 15 characters in the word 'brachioganoidei', making it the longest word we have.

Which word that ends with 'dei' is the most common word in the dictionary?
The most well-known word is 'dei', which in fact is the 13357^th most common word in the dictionary.