13-Letter Words Matching ____O____I___

There are 133 13-letter words that match ____O____I___. 30 are common words, such as ASTRONAUTICAL and ASTROPHYSICAL. A rarer one is THYROIDITISES. In this set, S is the most frequent open letter (103 words). 15 words contain a doubled letter.

Full list 133

Common words

astronauticalastrophysicalconformationsdespoliationsdissociationseditorializededitorializesexploitationsextroversionsintroductionsintroversionsmalformations
astronauticalastrophysicalconformationsdespoliationsdissociationseditorializededitorializesexploitationsextroversionsintroductionsintroversionsmalformationsmicroscopicalnoncontagiousorthodontistsorthopaedistsoveroptimismsperiodontistspetrochemicalphenobarbitalphilosophicalphilosophizedphilosophizerphilosophizespoliomyelitisprecognitionspreconditionsprolongationsreproductionswarmongeringscosmochemicaleconometricaleditorialistseditorializereusporangiateferrocyanidesgymnosophistsheliotropismshydrometricalhydrostaticalintrojectionsintromissionsmacroscopicalmastoiditidesmicrocosmicalmicronutrientmicrosurgicalnecrophiliacsnecrophilismsneurosurgicalosteomyelitispentobarbitalphotochemicalphotometricalphototropismsphytochemicalplutocraticalpoliomyeliticradiochemicalretroflexionsretroversionsshadowboxingssociometricalacetonitrilesamyloidosisesanisotropismsbiocompatiblechemosurgicalchemotropismscoleopteristsconsociationscoprocessingscoproductionscoprophiliacscosmochemistscycloolefiniccyclosporineseconometristsglycopeptidesgranodioritesgranodioritichistochemicalhydrotropismsmacronutrientmastoiditisesmicrobrewingsmicroparticlemicrophysicalmicroscopistsmythopoeticalneurochemicalneurochemistsneuropeptidesnoncollegiatenoncommunistsnoncompatiblenoncompetitornoncomplyingsnoncorrodiblenoncorrodingsnonsocialistsnormotensivesochlocraticalorthopteristsoveroptimistsoverorganizedoverorganizesperformativesperiostitidesperiostitisesphilosophisedphilosophisesphotochemistsphotooxidizedphotooxidizesphytochemistspictorialismspictorialistspictorializedpictorializesprecollegiatepreformationsproboscidiansradiochemistsradionuclidesradiothoriumsreproductivesretrocessionsretrodictionssilhouettistssubcollegiatethyroiditidesthyroiditises

About this list

Words
133 (30 common words)
Common example
astronautical
Rare example
thyroiditises
Doubled letters
15
Ending in S
84
Most frequent letter
S (103)

Questions

How many 13-letter words matching ____o____i___ are there?

133. 30 of them are common words.

What is a common example?

ASTRONAUTICAL is among the common words in this set.