Words that start with 'i' and contain 'yll'

Which word on this page ranks as the most common?
We've discovered that 'idyllic' is the 39839^th most common word.

What is an unusual word on this list?
'Imparisyllabic' is definitely the most interesting word in our list of words that start with 'i' and include 'yll'. The dictionary defines it as "Not consisting of an equal number of syllables; as, an imparisyllabic noun, one which has not the same number of syllables in all the cases; as, lapis, lapidis; mens, mentis.".

What is the best score you can get in Scrabble using this list of words that start with 'i' and contain 'yll'?
It is possible to make 'idyllium' for a total score of 14 points in Scrabble.

What's the largest word you can create using words that start with 'i' and include 'yll'?
'Isochlorophyllin' is the longest word that we could find. It has 16 characters.

What's the total number of words you can make using this combination of letters?
It is possible to make 20 words from this combination.