9-Letter Words Matching ___O___U_

There are 43 9-letter words that match ___O___U_. 19 are common words, such as ARBORETUM and ATROCIOUS. A rarer one is UNHOPEFUL. In this set, S is the most frequent open letter (31 words). 7 words contain a doubled letter.

Full list 43

Common words

arboretumatrociouscolostrumerroneousfeloniousferocioushumongousideologueignoramusinnocuouslaboriousmelodious
arboretumatrociouscolostrumerroneousfeloniousferocioushumongousideologueignoramusinnocuouslaboriousmelodiousmonologuenotoriousobnoxiousraconteurreposefulspoonsfulstrontiumarboreousarbovirusautoicousdoronicumdupondiusechoviruseffortfulendosteumginormousgynoeciumhomologuehypogeousinnoxiousmonocoquemonoicousparoicoustheologuecolosseummyxovirusrecontourscoopsfulsinologuestrobilusunhopeful

About this list

Words
43 (19 common words)
Common example
arboretum
Rare example
unhopeful
Doubled letters
7
Ending in S
23
Most frequent letter
S (31)

Questions

How many 9-letter words matching ___o___u_ are there?

43. 19 of them are common words.

What is a common example?

ARBORETUM is among the common words in this set.