Words that contain 'si' and end in 'us'

How many possible words can you make using the combination requested?
You can make 268 words with the letter combination you asked for.

What's the biggest word you can derive with words that have 'si' in and end with 'us'?
There are 20 characters in the word 'protobasidiomycetous', which makes it the longest word we have.

What is a weird word on this page of words that have 'si' in and end with 'us'?
Our team considers 'erysipelous' to be the most strange word. The definition of 'erysipelous' is as follows: "Erysipelatous.". Source Cambridge Dictionary.

What's the most common word that has 'si' in and ends with 'us' in the dictionary?
'Desirous' is the most popular word from this that have 'si' in and end with 'us', ranked 5153^rd most common word.

In Scrabble, what is the highest possible score you can get using this list of words that contain 'si' and end in 'us'?
With so many words to pick from, we'd advise choosing 'sisyphus' which scores 16 points.