15-Letter Words Matching _R__________N__

There are 15 15-letter words that match _R__________N__. 2 are common words, such as GROUNDBREAKINGS and PREARRANGEMENTS. A rarer one is TRIHALOMETHANES. In this set, A is the most frequent open letter (14 words). 4 words contain a doubled letter.

Full list 15

groundbreakingsprearrangementspreprofessionaltranscriptionaltribromoethanolarrondissementsbremsstrahlungscryoprotectantsorchestrationalorganochlorinespredevelopmentspronunciationaltranspirationaltranspositionaltrihalomethanes

About this list

Words
15 (2 common words)
Common example
groundbreakings
Rare example
trihalomethanes
Doubled letters
4
Ending in S
8
Most frequent letter
A (14)

Questions

How many 15-letter words matching _r__________n__ are there?

15. 2 of them are common words.

What is a common example?

GROUNDBREAKINGS is among the common words in this set.