13-Letter Words Matching ___U___I_____

There are 20 13-letter words that match ___U___I_____. 14 are common words, such as DEHUMIDIFIERS and DEHUMIDIFYING. A rarer one is PSEUDEPIGRAPH. 5 words contain a doubled letter.

Full list 20

dehumidifiersdehumidifyingillustriouslyindustrialismindustrialistindustrializeindustriouslyinjudiciouslypneumaticallyrheumaticallyscrumptiouslytraumaticallyunquestioningunsustainablecasuisticallydisubstitutedindustrialisepneumonitidespneumonitisespseudepigraph

About this list

Words
20 (14 common words)
Common example
dehumidifiers
Rare example
pseudepigraph
Doubled letters
5
Ending in S
3

Questions

How many 13-letter words matching ___u___i_____ are there?

20. 14 of them are common words.

What is a common example?

DEHUMIDIFIERS is among the common words in this set.