13-Letter Words Matching _____R____A__

There are 22 13-letter words that match _____R____A__. 7 are common words, such as DEHYDROGENATE and DIFFERENTIALS. A rarer one is ULTRARADICALS. In this set, E is the most frequent open letter (20 words). 5 words contain a doubled letter.

Full list 22

dehydrogenatedifferentialsdifferentiateinappropriatenonhereditaryproportionalsproportionatebacteriophagebacteriostatsconvertiplanedehydrogenaseeusporangiatehyaluronidasebacteriophagyconvertaplanedeuteranomalyglucuronidasehemorrhoidalsreappropriaterechoreographsubversionaryultraradicals

About this list

Words
22 (7 common words)
Common example
dehydrogenate
Rare example
ultraradicals
Doubled letters
5
Ending in S
5
Most frequent letter
E (20)

Questions

How many 13-letter words matching _____r____a__ are there?

22. 7 of them are common words.

What is a common example?

DEHYDROGENATE is among the common words in this set.