14-Letter Words Matching ____I_____R___

There are 31 14-letter words that match ____I_____R___. 4 are common words, such as DISCIPLINARIAN and HORTICULTURIST. A rarer one is TURBIDIMETRIES. In this set, T is the most frequent open letter (26 words). 3 words contain a doubled letter.

Full list 31

Common words

disciplinarianhorticulturistpettifoggeriespostindustrialcholinesteraseclavicytheriumcorticosteroidcorticosteronemastigophoranspisciculturistpoikilothermicpremillenarian
disciplinarianhorticulturistpettifoggeriespostindustrialcholinesteraseclavicytheriumcorticosteroidcorticosteronemastigophoranspisciculturistpoikilothermicpremillenarianrectilinearityserviceberriessilviculturistsubdirectoriessubminiaturizecaulifloweretscitriculturistcurvilinearitydensitometriesdisciplinarilydisciplinarityfloriculturistmultielectrodemultifactorialpectinesteraseprediscoveriesrespirometriessensitometriesturbidimetries

About this list

Words
31 (4 common words)
Common example
disciplinarian
Rare example
turbidimetries
Doubled letters
3
Ending in S
10
Most frequent letter
T (26)

Questions

How many 14-letter words matching ____i_____r___ are there?

31. 4 of them are common words.

What is a common example?

DISCIPLINARIAN is among the common words in this set.