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

What is an example of a unique word from this page?
'Improviso' is certainly the most peculiar word from our list of words that start with 'i' and end with 'so'. According to the dictionary, 'improviso' is defined as "Not prepared or mediated beforehand; extemporaneous. [Obs.] Jonhson.".

Is there a word on this page that jumps out as the most common?
As far as popular words go, there's 'ipso', which is the 47626^th most popular word.

What is the longest word you can create from the combination specified?
The longest word derived by Dictionarypedia is 'isonitroso'.

What is the highest number of points you can get in Scrabble using this list of words that start with 'i' and end with 'so'?
Our recommendation for a total of 10 points is playing the word 'incienso'.

What is the max number of words one is able to make from this combination of letters?
It's possible to create 8 words using this list.