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

How many letters does the longest word from this page contain?
Consider 'hexamethylenetetramine', which contains 22 characters.

What's the highest scoring word you can play in Scrabble ?
As there are a considerable 1,001 entries, your best option is 'hazelhen' scoring 23 points.

How many words is it possible to make using the combination of letters requested?
There are 1,001 words possible using words that start with 'h' and include 'en'.

What's an unusual word from the combinations possible ?
Dictionarypedia feels that 'hellenist' to be the most strange word you can assemble. According to the dictionary, 'hellenist' means "1. One who affiliates with Greeks, or imitates Greek manners; esp., a person of Jewish extraction who used the Greek language as his mother tongue, as did the Jews of Asia Minor, greece, syria, and Egypt; distinguished from the Hebraists, or native Jews (Acts vi. 1). 2. One skilled in...".

What is the most common word that starts with 'h' and includes 'en'?
'Happened' is the most well-known word from this that start with 'h' and include 'en', ranked 851^st most common word.