15-Letter Words Matching ___R__A________

There are 43 15-letter words that match ___R__A________. 3 are common words, such as IMPROBABILITIES and MICROMANAGEMENT. A rarer one is UPGRADABILITIES. In this set, I is the most frequent open letter (37 words). 16 words contain a doubled letter.

Full list 43

Common words

improbabilitiesmicromanagementsegregationistsastronauticallyastronavigationferromagnetismsoverbearingnessoverdramatizingaggregatenesseschorioallantoicchorioallantoisdetribalization
improbabilitiesmicromanagementsegregationistsastronauticallyastronavigationferromagnetismsoverbearingnessoverdramatizingaggregatenesseschorioallantoicchorioallantoisdetribalizationextrudabilitiesferrimagnetismsferromanganesesimprovabilitiesintravascularlyintricatenessesmicrobarographsmicroearthquakemicrogametocytemicroradiographnecromanticallyneuropathicallyneuropathologicnonrelativisticoverclassifyingoverelaboratingoverelaborationoverevaluationsoverexaggeratedoverexaggeratesoverglamorizingoverimaginativeoverstabilitiesoverzealousnesspharisaicalnessreprivatizationsacrosanctitiesthyrocalcitoninultrafastidiousultramarathonerupgradabilities

About this list

Words
43 (3 common words)
Common example
improbabilities
Rare example
upgradabilities
Doubled letters
16
Ending in S
20
Most frequent letter
I (37)

Questions

How many 15-letter words matching ___r__a________ are there?

43. 3 of them are common words.

What is a common example?

IMPROBABILITIES is among the common words in this set.