Words with 'i' as the first letter that end with 'us'

Which word on this page is made up of the largest number of letters?
'Intraparenchymatous' is the longest word that Dictionarypedia could construct, which has 19 letters

What's the highest score you could get in Scrabble using this list of words with 'i' as the 1st letter that end with 'us'?
With a myriad of words to choose from, you should opt for 'iniquous' which scores 17 points in total.

What is the total number of words one is able to make from words that start with 'i' and end with 'us'?
It is possible to make 320 words with the combination you specified.

Is there a word on this page that jumps out as the most common?
We're able to verify that 'illustrious' is the 5049^th most common word.

What word from this list is the most unusual?
The most peculiar word from this list is 'interspinous'. The definition of 'interspinous' is as follows: "Between spines; esp., between the spinous processes of the vertebral column.".