8-Letter Words Matching ___U___L

There are 21 8-letter words that match ___U___L. 7 are common words, such as ALLUVIAL and AUTUMNAL. A rarer one is TROUPIAL. In this set, A is the most frequent open letter (18 words). 4 words contain a doubled letter.

Full list 21

alluvialautumnaldemurralinguinalreburialrebuttalrequitaldiluvialfiducialmanurialbecudgelcolumnalilluvialindusiallocustalminutialodourfulproudfulstaumreltenurialtroupial

About this list

Words
21 (7 common words)
Common example
alluvial
Rare example
troupial
Doubled letters
4
Ending in S
0
Most frequent letter
A (18)

Questions

How many 8-letter words matching ___u___l are there?

21. 7 of them are common words.

What is a common example?

ALLUVIAL is among the common words in this set.