10-Letter Words Matching _______UG_

There are 12 10-letter words that match _______UG_. 6 are common words, such as CENTRIFUGE and DOODLEBUGS. A rarer one is SPARKPLUGS. In this set, S is the most frequent open letter (11 words). 4 words contain a doubled letter.

Full list 12

centrifugedoodlebugshorselaughjitterbugslitterbugssubterfugehearthrugsmassasaugaoverslaughtumblebugsusquebaughsparkplugs

About this list

Words
12 (6 common words)
Common example
centrifuge
Rare example
sparkplugs
Doubled letters
4
Ending in S
6
Most frequent letter
S (11)

Questions

How many 10-letter words matching _______ug_ are there?

12. 6 of them are common words.

What is a common example?

CENTRIFUGE is among the common words in this set.