13-Letter Words Matching ____O______U_

There are 27 13-letter words that match ____O______U_. 5 are common words, such as CARBONIFEROUS and DISCONTINUOUS. A rarer one is SUBCORIACEOUS. In this set, S is the most frequent open letter (25 words). 6 words contain a doubled letter.

Full list 27

Common words

carboniferousdiscontinuoushydrocephalusnoncontagiousnoncontinuousbignoniaceousferrochromiumgymnospermouslactobacillusleptophyllouslissotrichousmagnoliaceous
carboniferousdiscontinuoushydrocephalusnoncontagiousnoncontinuousbignoniaceousferrochromiumgymnospermouslactobacillusleptophyllouslissotrichousmagnoliaceousnoncontiguousnonhomologousorthognathousphysoclistousprotoactiniumrhizomorphousstenopetalousstenophyllousangiospermousleptocephalusmicrophyllousnonmonogamousphycomycetousstoloniferoussubcoriaceous

About this list

Words
27 (5 common words)
Common example
carboniferous
Rare example
subcoriaceous
Doubled letters
6
Ending in S
25
Most frequent letter
S (25)

Questions

How many 13-letter words matching ____o______u_ are there?

27. 5 of them are common words.

What is a common example?

CARBONIFEROUS is among the common words in this set.