9-Letter Words Matching ___UP____

There are 21 9-letter words that match ___UP____. 13 are common words, such as ABRUPTEST and CROUPIERS. A rarer one is TROUPIALS. In this set, O is the most frequent open letter (16 words). 7 words contain a doubled letter.

Full list 21

abruptestcroupierscroupiestgroupingsgroupwareirruptingirruptionirruptiveoccupancyoccupantsoccupiersoccupyingscruplingabruptionaneuploiddecuplinggroupablegroupoidsoctupletsoctuplingtroupials

About this list

Words
21 (13 common words)
Common example
abruptest
Rare example
troupials
Doubled letters
7
Ending in S
7
Most frequent letter
O (16)

Questions

How many 9-letter words matching ___up____ are there?

21. 13 of them are common words.

What is a common example?

ABRUPTEST is among the common words in this set.