Words that start with 'tet' and contain 'p'

What's an unusual word from this page of words that start with 'tet' and include 'p'?
The most interesting word based on a recent poll is 'tetrasepalous'. It means "Having four sepals.".

How many words could one make with this combination of letters?
There are 75 words using our page of words that start with 'tet' and contain 'p'.

What's the biggest word you can derive with words that start with 'tet' and include 'p'?
There are 24 characters in the word 'tetraiodophenolphthalein', which makes it the longest word we have.

In Scrabble, what's the best score you can get from words that start with 'tet' and include 'p'?
One can make 'tetrapod' for a total score of 11 points.