13-Letter Words Matching ____R_R______

There are 30 13-letter words that match ____R_R______. 7 are common words, such as CONTRARIETIES and HYPERCRITICAL. A rarer one is WATERPROOFERS. In this set, E is the most frequent open letter (29 words). 6 words contain a doubled letter.

Full list 30

Common words

contrarietieshypercriticalhypertrophiedhypertrophiesinterbreedingundergraduatewaterproofingcontrarianisminterpretablesupercriticalsuperordinateunderdressing
contrarietieshypercriticalhypertrophiedhypertrophiesinterbreedingundergraduatewaterproofingcontrarianisminterpretablesupercriticalsuperordinateunderdressinghyperarousalshyperproducerhyperurbanismhyperuricemiaintercroppingintercrossingintergraftingintergranularinterproximalintertropicalsupercriminalsupergraphicssuperorganismsuperpremiumstemerariouslyundergrounderunderpreparedwaterproofers

About this list

Words
30 (7 common words)
Common example
contrarieties
Rare example
waterproofers
Doubled letters
6
Ending in S
6
Most frequent letter
E (29)

Questions

How many 13-letter words matching ____r_r______ are there?

30. 7 of them are common words.

What is a common example?

CONTRARIETIES is among the common words in this set.