13-Letter Words Matching _____T_____U_

There are 17 13-letter words that match _____T_____U_. 5 are common words, such as INSECTIVOROUS and MULTITUDINOUS. A rarer one is UNPICTURESQUE. In this set, S is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 17

insectivorousmultitudinousplatitudinousstreptococcusunpretentiousargentiferouslissotrichoussculpturesqueuncontentiouscleistogamousgarnetiferousnonautonomousnonnutritiousplenitudinousrectitudinoussubbituminousunpicturesque

About this list

Words
17 (5 common words)
Common example
insectivorous
Rare example
unpicturesque
Doubled letters
4
Ending in S
15
Most frequent letter
S (17)

Questions

How many 13-letter words matching _____t_____u_ are there?

17. 5 of them are common words.

What is a common example?

INSECTIVOROUS is among the common words in this set.