Words that start with 'hi' and contain 'o'

What's the most common word for this page?
There's 'history' which is the 744^th most popular word.

What's the highest possible score you can get in Scrabble using this list of words that start with 'hi' and contain 'o'?
As there are a sizeable 447 entries, we would advise picking 'highboys' scoring 20 points.

In total, how many words are possible to make using the combination of letters specified?
There are a maximum of 447 entries.

Is there a word from this page of word that starts with 'hi' and includes 'o' which might be deemed as unusual?
The most strange word from this list is certainly 'hippophagist'. It means "One who eats horseflesh.".

Which word in particular from this list has the largest character count?
The largest word that's possible to construct from this list is 'historicocabbalistical', and it has 22 characters.