15-Letter Words Matching ___T__U________

There are 17 15-letter words that match ___T__U________. 4 are common words, such as HORTICULTURISTS and INSTITUTIONALLY. A rarer one is PLATITUDINOUSLY. In this set, I is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 17

horticulturistsinstitutionallyparticularitiesparticularizinghorticulturallymultifunctionalmultitudinouslyphotomultiplierdestitutenessesparticularisingparticularisticphotoautotrophsphotoduplicatedphotoduplicatesplatitudinarianplatitudinizingplatitudinously

About this list

Words
17 (4 common words)
Common example
horticulturists
Rare example
platitudinously
Doubled letters
3
Ending in S
5
Most frequent letter
I (16)

Questions

How many 15-letter words matching ___t__u________ are there?

17. 4 of them are common words.

What is a common example?

HORTICULTURISTS is among the common words in this set.