9-Letter Words Matching ____O___N

There are 63 9-letter words that match ____O___N. 23 are common words, such as AMAZONIAN and ANCHORMAN. A rarer one is YELLOWFIN. In this set, R is the most frequent open letter (35 words). 18 words contain a doubled letter.

Full list 63

Common words

amazoniananchormananchormencommotioncorrosioncustodiancyclotrondraconianexplosionfellowmanfellowmenforgotten
amazoniananchormananchormencommotioncorrosioncustodiancyclotrondraconianexplosionfellowmanfellowmenforgottenhistorianhobgoblinimplosionmicroloanmisgovernpatrolmanpatrolmenpromotionprotozoanprotozoonretroddenamylopsinanthozoancelloidinchelonianchthoniancollodiondiscommondystopianealdormanectropionguncottonheliozoanhydrozoanmetforminphanotronpremodernprenotionpromodernschoolmanschoolmensubdomaintambourinuntroddenanthocyancyclopeanealdormeneledoisinentropiongorgonianmarmoreanmellotronphelonionplutonianpretorianrhodopsinsporozoansporozoonsuctorianupswollenyellowfin

About this list

Words
63 (23 common words)
Common example
amazonian
Rare example
yellowfin
Doubled letters
18
Ending in S
0
Most frequent letter
R (35)

Questions

How many 9-letter words matching ____o___n are there?

63. 23 of them are common words.

What is a common example?

AMAZONIAN is among the common words in this set.