13-Letter Words Matching __R________A_

There are 29 13-letter words that match __R________A_. 10 are common words, such as CHRONOLOGICAL and HORTICULTURAL. A rarer one is TERMINATIONAL. In this set, I is the most frequent open letter (27 words). 7 words contain a doubled letter.

Full list 29

Common words

chronologicalhorticulturalmorphologicalparallelogramparentheticalperpendicularpyrotechnicalsarsaparillasstreptococcaltercentennialaerodynamicalcardiological
chronologicalhorticulturalmorphologicalparallelogramparentheticalperpendicularpyrotechnicalsarsaparillasstreptococcaltercentennialaerodynamicalcardiologicalcerebrospinalcorrelationalhermeneuticalirreverentialpermutationalphrenologicalteratologicalterpsichoreancircumstellarcoresidentialforaminiferalforaminiferannormothermiasparaesthesiasparasiticidalrarefactionalterminational

About this list

Words
29 (10 common words)
Common example
chronological
Rare example
terminational
Doubled letters
7
Ending in S
3
Most frequent letter
I (27)

Questions

How many 13-letter words matching __r________a_ are there?

29. 10 of them are common words.

What is a common example?

CHRONOLOGICAL is among the common words in this set.