15-Letter Words Matching R_D____________

There are 26 15-letter words that match R_D____________. 7 are common words, such as RADICALIZATIONS and RADIOACTIVITIES. A rarer one is RUDIMENTARINESS. In this set, I is the most frequent open letter (26 words). 5 words contain a doubled letter.

Full list 26

Common words

radicalizationsradioactivitiesradiotelegraphsradiotelegraphyradiotelephonesradiotherapistsredistributionsradiometricallyradiomicrometerradiophotographradiotelephonicredetermination
radicalizationsradioactivitiesradiotelegraphsradiotelegraphyradiotelephonesradiotherapistsredistributionsradiometricallyradiomicrometerradiophotographradiotelephonicredeterminationradioautographsradioautographyradiobiologicalradiobiologistsradiochemicallyradioprotectionradioprotectiveradiostrontiumsradiotelemetricredintegrationsredistillationsreductivenessesreduplicativelyrudimentariness

About this list

Words
26 (7 common words)
Common example
radicalizations
Rare example
rudimentariness
Doubled letters
5
Ending in S
13
Most frequent letter
I (26)

Questions

How many 15-letter words matching r_d____________ are there?

26. 7 of them are common words.

What is a common example?

RADICALIZATIONS is among the common words in this set.