10-Letter Words Matching ____O_O___

There are 133 10-letter words that match ____O_O___. 33 are common words, such as ASTROLOGER and ASTRONOMER. A rarer one is TROPOLOGIC. In this set, I is the most frequent open letter (95 words). 6 words contain a doubled letter.

Full list 133

Common words

astrologerastronomerastronomicaudiobookschocoholiccommodoresdiscoloreddiscoloursdishonoredhydrofoilshydroponicmacrocosms
astrologerastronomerastronomicaudiobookschocoholiccommodoresdiscoloreddiscoloursdishonoredhydrofoilshydroponicmacrocosmsmeteoroidsmetronomesmetropolismicrocosmsmicroloansmongoloidsnecropolesnecropolisorthogonalpheromonesphilosophypianoforteprotozoansprovolonesradiosondeservomotorsophomoressophomorictricoloursuneconomicunprovokedanthozoansastrodomesastrologiccorroboreecosmogoniccosmologiccosmopolisdiplococcidiplodocusdiscobolusethnologicheliozoanshistologichydrologichydropowerhydrozoanshypnogogiclithologicmetronomicmicrosomesmicrotomesmythologermythologicmythopoeianecrologicneurologicoculomotororthodoxlyoxymoronicpathologicpheromonalphonologicphototonuspiccoloistpicrotoxinradiologicscatologicseriocomicsociologicsporozoitetautologictricoloredaudiologiccarpogoniachironomidcopromotercyclotomicdesmosomaldesmosomesdisbosomeddishonorereconoboxesflavonoidshagiologichomeoboxeshormogoniahydrosolickaryologickaryosomesleptosomeslimnologiclithoponesmastodonicmastodontsmicrococcimicrocodesmicroformsmicromolarmicromolesmicroporesmicrosomalmicrotonalmicrotonesmicrovoltsmicroworldmiscoloredmythopoeicneurotoxicneurotoxinnoncoloredorthodoxespetrologicphilosophephototoxicphytotoxicprotocoledpycnogonidsalmonoidssarcosomalsarcosomessporogoniasporogonicsporozoansstenotopicstylopodiataphonomicteleologicteleonomicthecodontstropologic

About this list

Words
133 (33 common words)
Common example
astrologer
Rare example
tropologic
Doubled letters
6
Ending in S
47
Most frequent letter
I (95)

Questions

How many 10-letter words matching ____o_o___ are there?

133. 33 of them are common words.

What is a common example?

ASTROLOGER is among the common words in this set.