10-Letter Words Matching ____T_U___

There are 28 10-letter words that match ____T_U___. 15 are common words, such as ACANTHUSES and BOASTFULLY. A rarer one is TRISTFULLY. In this set, S is the most frequent open letter (23 words). 11 words contain a doubled letter.

Full list 28

Common words

acanthusesboastfullychanteusesconstructsconstruingcovetouslydoubtfullyeventfullyfiretrucksfruitfullyheartburnsmenstruate
acanthusesboastfullychanteusesconstructsconstruingcovetouslydoubtfullyeventfullyfiretrucksfruitfullyheartburnsmenstruatepolitburosrightfullytrustfullyaffettuosochautauquacoastguardovertrumpssweatsuitsanestrusesdianthusesdiestrusesghastfullylightbulbsmenstruumssportfullytristfully

About this list

Words
28 (15 common words)
Common example
acanthuses
Rare example
tristfully
Doubled letters
11
Ending in S
13
Most frequent letter
S (23)

Questions

How many 10-letter words matching ____t_u___ are there?

28. 15 of them are common words.

What is a common example?

ACANTHUSES is among the common words in this set.