Words that start with 'r' and contain 'ari'

How many usable words can you make from this combination of letters?
One could create 133 words using the combination of words that start with 'r' and include 'ari'.

Which word that starts with 'r' and includes 'ari' is the most popular word?
We're able to confirm that 'roaring' is the 7404^th most common word.

Is there a distinct word from this page which might be considered as unusual in any regard?
An example of an uncommon word from this page goes to 'riparious'. The dictionary defines it as "Growing along the banks of rivers; riparian.".

What's the biggest word you can derive using this list?
The longest word that's possible to construct from the specified combination is 'refamiliarization', and it consists of 17 characters.

What is the highest number of points you're able to get in Scrabble using this list of words starting with 'r' that contain 'ari'?
With the amount of words to decide on, your best bet is to go for 'retariff' which scores 14 points.