Words that contain 'et' and end in 'n'

How many actual words are possible to put together with this combination of letters?
It is possible to make 890 words using this combination.

What's an unusual word from the word combos available on this page?
'Return' certainly stands as the most peculiar word from our list of words that have 'et' in and end with 'n'. The traditional definition of 'return' is as follows: "1. To turn back; to go or come again to the same place or condition. "Return to your father's house." Chaucer. On their embattled ranks the waves return. Milton. If they returned out of bondage, it must be into a state of freedom. Locke. Dust thou art, and unto dust...".

What is the most common word that has 'et' in and ends with 'n'?
'Between' is the most well-known word from this page, ranked 207^th most common word.

Which word in particular from this list has the highest letter count?
The longest word derived by Dictionarypedia is 'tetraiodophenolphthalein'. It has 24 letters.

What is the highest number of points you could get in Scrabble using this list of words that contain 'et' and end in 'n'?
As there are a sizeable 890 entries, your best bet is to go for 'betwixen' which scores 20 points.