12-Letter Words Starting With STU

There are 13 12-letter words that start with STU. 6 are common words, such as STUBBORNNESS and STUDIOUSNESS. A rarer one is STUPIDNESSES. In this set, N is the most frequent open letter (13 words). 8 words contain a doubled letter.

Full list 13

stubbornnessstudiousnessstuffinessesstupefactionstupendouslysturdinessesstudentshipsstubbinessesstuddingsailstupefacientstupefyinglystutteringlystupidnesses

About this list

Words
13 (6 common words)
Common example
stubbornness
Rare example
stupidnesses
Doubled letters
8
Ending in S
7
Most frequent letter
N (13)

Questions

How many 12-letter words starting with stu are there?

13. 6 of them are common words.

What is a common example?

STUBBORNNESS is among the common words in this set.