15-Letter Words Matching ___R_D_________

There are 14 15-letter words that match ___R_D_________. 1 are common words, such as INCREDIBILITIES and HYDRODYNAMICIST. A rarer one is UPGRADABILITIES. In this set, I is the most frequent open letter (13 words). 4 words contain a doubled letter.

Full list 14

incredibilitieshydrodynamicistincredulousnessreproducibilitycomradelinessesextrudabilitiesineradicabilitymicrodissectionoveradjustmentsoveradvertisingoveridentifyingultrademocraticuntraditionallyupgradabilities

About this list

Words
14 (1 common words)
Common example
incredibilities
Rare example
upgradabilities
Doubled letters
4
Ending in S
6
Most frequent letter
I (13)

Questions

How many 15-letter words matching ___r_d_________ are there?

14. 1 of them are common words.

What is a common example?

INCREDIBILITIES is among the common words in this set.