Words that include 'hho'

How many letters does the longest word on this list contain?
'unwithholding', made up of 13 characters.

What is the maximum number of words you can construct using this combination of letters?
You could assemble 49 words from the combination you specified.

What's the highest number of points you could get in Scrabble from this list of words with 'hho' in them?
One can make 'fishhook' which scores 21 in Scrabble.

Which is the most unique word from this page?
The most notable word in our opinion is 'fleshhood'. The general definition of 'fleshhood' is as follows: "The state or condition of having a form of flesh; incarnation. [R.] Thou, who hast thyself Endured this fleshhood. Mrs. Browning.". Source Oxford Dictionary.

Which word with 'hho' in them is the most common word in the dictionary?
As far as well-known words go, there's 'withhold' which ranks as the 14974^th most common word.