14-Letter Words Matching __________UL__

There are 17 14-letter words that match __________UL__. 4 are common words, such as CARDIOVASCULAR and EXTRAVEHICULAR. A rarer one is PROVENTRICULUS. In this set, C is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

cardiovascularextravehicularoverparticularunsuccessfullygastrovascularimmunoglobulinintermolecularintramolecularmacromolecularmacromoleculessupramolecularantitubercularhepatocellularmultimolecularnonspectacularorthomolecularproventriculus

About this list

Words
17 (4 common words)
Common example
cardiovascular
Rare example
proventriculus
Doubled letters
3
Ending in S
2
Most frequent letter
C (16)

Questions

How many 14-letter words matching __________ul__ are there?

17. 4 of them are common words.

What is a common example?

CARDIOVASCULAR is among the common words in this set.