15-Letter Words Starting With STR

There are 14 15-letter words that start with STR. 5 are common words, such as STRAIGHTFORWARD and STRAIGHTJACKETS. A rarer one is STRUCTURALIZING. In this set, I is the most frequent open letter (12 words). 3 words contain a doubled letter.

Full list 14

straightforwardstraightjacketsstraitjacketingstratificationsstrenuousnessesstratigraphicalstreptothricinsstraitlacednessstratovolcanoesstreptobacillusstrikebreakingsstrongyloidosesstrongyloidosisstructuralizing

About this list

Words
14 (5 common words)
Common example
straightforward
Rare example
structuralizing
Doubled letters
3
Ending in S
10
Most frequent letter
I (12)

Questions

How many 15-letter words starting with str are there?

14. 5 of them are common words.

What is a common example?

STRAIGHTFORWARD is among the common words in this set.