12-Letter Words Matching _R________U_

There are 24 12-letter words that match _R________U_. 6 are common words, such as BRONTOSAURUS and PRASEODYMIUM. A rarer one is TRICHOTOMOUS. In this set, O is the most frequent open letter (23 words). 2 words contain a doubled letter.

Full list 24

brontosauruspraseodymiumprecancerouspreposterouspresumptuousprotactiniumargillaceouscryptonymousfructiferousorchidaceousorthopterousorthotropouspreconsciousprimulaceousprothalamiumtranspicuoustransuraniumtriadelphoustropophilousarchesporiumcryptococcuscryptogamouserythematoustrichotomous

About this list

Words
24 (6 common words)
Common example
brontosaurus
Rare example
trichotomous
Doubled letters
2
Ending in S
19
Most frequent letter
O (23)

Questions

How many 12-letter words matching _r________u_ are there?

24. 6 of them are common words.

What is a common example?

BRONTOSAURUS is among the common words in this set.