13-Letter Words Matching ______I____U_

There are 25 13-letter words that match ______I____U_. 3 are common words, such as CARBONIFEROUS and INSECTIVOROUS. A rarer one is SUBCORIACEOUS. In this set, O is the most frequent open letter (25 words). 4 words contain a doubled letter.

Full list 25

Common words

carboniferousinsectivorousserendipitousaluminiferousanticlinoriumargentiferousargilliferousbalsamiferousbignoniaceouscalcariferousfossiliferousglobuliferous
carboniferousinsectivorousserendipitousaluminiferousanticlinoriumargentiferousargilliferousbalsamiferousbignoniaceouscalcariferousfossiliferousglobuliferousgraminivorousmagnoliaceousmetalliferousnickeliferousovoviviparousquartziferoussplendiferousumbelliferouscavernicolousgarnetiferousnonindigenousstoloniferoussubcoriaceous

About this list

Words
25 (3 common words)
Common example
carboniferous
Rare example
subcoriaceous
Doubled letters
4
Ending in S
24
Most frequent letter
O (25)

Questions

How many 13-letter words matching ______i____u_ are there?

25. 3 of them are common words.

What is a common example?

CARBONIFEROUS is among the common words in this set.