13-Letter Words Matching ____R_______L

There are 64 13-letter words that match ____R_______L. 16 are common words, such as BIDIRECTIONAL and CONGRESSIONAL. A rarer one is VENTROLATERAL. In this set, A is the most frequent open letter (62 words). 9 words contain a doubled letter.

Full list 64

Common words

bidirectionalcongressionalcontroversialenvironmentalgastronomicalgubernatorialhypercriticalinformationalinstructionalinterculturalinternationalinterpersonal
bidirectionalcongressionalcontroversialenvironmentalgastronomicalgubernatorialhypercriticalinformationalinstructionalinterculturalinternationalinterpersonalmineralogicalobservationalproprietorialquadrilateralcompressionalexterritorialgastrologicalhyperphysicalinscriptionalintersidereallogarithmicalnumerologicalprocreationalreformationalsupercriticalsupernationalsuperphysicaltetartohedralabstractionalcontractionalcontralateraldeformationaldendrologicaldeterminantalexpurgatorialfuturologicalhyperboloidalhypermetricalhyperrationalinteractionalintercolonialintercommunalintercorticalinterfamilialintermarginalinterneuronalinterproximalinterregionalintersocietalinterterminalintertropicalisoproterenolpolyribosomalprogressionalsupercolossalsupercriminalsuperpersonalsuperpowerfulsuperregionalsynarthrodialventriloquialventrolateral

About this list

Words
64 (16 common words)
Common example
bidirectional
Rare example
ventrolateral
Doubled letters
9
Ending in S
0
Most frequent letter
A (62)

Questions

How many 13-letter words matching ____r_______l are there?

64. 16 of them are common words.

What is a common example?

BIDIRECTIONAL is among the common words in this set.