Words that start with 'h' and contain 'bu'

Which word that starts with 'h' and includes 'bu' is the most common word in the dictionary?
There's 'humbug', which is the 22531^st most popular word.

In total, how many words are there using these particular combinations of letters?
102 words.

In Scrabble, what's the best score possible using this list of words that start with 'h' and contain 'bu'?
Since there are a sizeable 102 entries, we would advise picking 'humbuzz' which scores 32 points in total.

What is the largest word you can derive using this list?
The word 'hydroxybutyricacid' contains 18 characters.

Is there an example word from this page of word that starts with 'h' and includes 'bu' that could be deemed as unusual in any respect?
'Harquebus' is definitely the most strange word in our list of words that start with 'h' and include 'bu'. The popular definition of 'harquebus' is as follows: "A firearm with match holder, trigger, and tumbler, made in the second half of the 15th century. The barrel was about forty inches long. A form of the harquebus was subsequently called arquebus with matchlock.".