13-Letter Words Matching _________U__L

There are 22 13-letter words that match _________U__L. 6 are common words, such as ARCHITECTURAL and HORTICULTURAL. A rarer one is VENTRILOQUIAL. In this set, A is the most frequent open letter (22 words). 2 words contain a doubled letter.

Full list 22

architecturalhorticulturalinterculturalmulticulturalnonstructuralpreternaturalnomenclaturalpisciculturalpremenopausalsilviculturalsocioculturalsubternaturalthundersquallfloriculturalichthyofaunalintercommunalmicroculturalpostinauguralsensorineuralsubstructuraltransculturalventriloquial

About this list

Words
22 (6 common words)
Common example
architectural
Rare example
ventriloquial
Doubled letters
2
Ending in S
0
Most frequent letter
A (22)

Questions

How many 13-letter words matching _________u__l are there?

22. 6 of them are common words.

What is a common example?

ARCHITECTURAL is among the common words in this set.