12-Letter Words Matching ______O__U__

There are 16 12-letter words that match ______O__U__. 4 are common words, such as CREMATORIUMS and PANDEMONIUMS. A rarer one is TETRAZOLIUMS. 2 words contain a doubled letter.

Full list 16

crematoriumspandemoniumsteaspoonfulstyrannosaursichthyosaursjurisconsultorthodonturesuperconductbeardtonguesichthyofaunainterboroughmagnetopausepelargoniumsphosphoniumspositroniumstetrazoliums

About this list

Words
16 (4 common words)
Common example
crematoriums
Rare example
tetrazoliums
Doubled letters
2
Ending in S
10

Questions

How many 12-letter words matching ______o__u__ are there?

16. 4 of them are common words.

What is a common example?

CREMATORIUMS is among the common words in this set.