Words that contain 'rm' and end in 's'

What is the biggest word you can create with words that have 'rm' in and end with 's'?
The word 'archaeopterygiformes' contains 20 characters.

What's the highest scoring word in Scrabble using the above combination ?
With a massive 1,087 entries, your best choice is to go for 'waxworms' scoring 23 points in total.

Is there any word on this page that sticks out as the most common?
We've identified that 'terms' is the 461^st most common word.

What's the max number of words you could construct from this combination of letters?
1,087 words!

What word from this page is the most unusual?
The most notable word based on a recently conducted poll is 'armiferous'. 'Armiferous' is defined as "Bearing arms or weapons. [R.]", according to the English dictionary.