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

What's the most common word that starts with 'u' and includes 'ari'?
The most well-known word for the combination you searched is 'unnecessarily'.

How many letters does the largest word from this list consist of?
The longest word is 19 letters, which is 'ultracentenarianism'.

Is there an example of a particular word from this page of word that starts with 'u' and includes 'ari' which might be considered as unusual?
The most unusual word from this list is 'urari'. 'Urari''s definition is "See Curare.", according to the English dictionary.

What's the highest score you're able to get in Scrabble using this list of words starting with 'u' that contain 'ari'?
With numerous words to choose from, we would recommend selecting 'uzarin' which scores 15 points overall.

In total, how many possible words can you make using the combination specified?
There are up to 259 words.