13-Letter Words Matching _________O_I_

There are 80 13-letter words that match _________O_I_. 11 are common words, such as ANTISPASMODIC and ARCHITECTONIC. A rarer one is ZOOPLANKTONIC. In this set, O is the most frequent open letter (68 words). 5 words contain a doubled letter.

Full list 80

Common words

antispasmodicarchitectonicbacteriologicelectroscopickaleidoscopicmetamorphosismononucleosispharmacopoeiaphilanthropicsocioeconomicspectroscopicactinomycosis
antispasmodicarchitectonicbacteriologicelectroscopickaleidoscopicmetamorphosismononucleosispharmacopoeiaphilanthropicsocioeconomicspectroscopicactinomycosisanisometropiaanthropologicantipsychoticapheliotropicarachnophobiaaspergillosisastereognosisendometriosishydrocarbonichypermetropiaisoelectronicleptospirosislymphocytosismacroeconomicmethemoglobinmicroeconomicoscilloscopicpaleontologicpathoneurosispharmacologicsalmonellosisspirochetosistoxoplasmosisactinomycoticanisometropicantimetabolicblastomycosisbronchoscopiccephalosporincorticotropincysticercosiscytotaxonomicendosymbiosisendosymbioticepidemiologicethnohistoricgeohydrologicheterozygosishyperhidrosishypermetropiclymphomatosismicrobiologicmyelofibrosismyelofibroticneuroanatomicnonantibioticnoncellulosicnonelectronicoxyhemoglobinpaleobiologicpaleoecologicparasitologicpathognomonicphotobiologicphotogeologicphotoperiodicpolycistronicpolyembryonicpostembryonicpreganglionicprotohistoricquasiperiodicradiobiologicradioisotopicserodiagnosisspermatogoniaxenodiagnosiszooplanktonic

About this list

Words
80 (11 common words)
Common example
antispasmodic
Rare example
zooplanktonic
Doubled letters
5
Ending in S
21
Most frequent letter
O (68)

Questions

How many 13-letter words matching _________o_i_ are there?

80. 11 of them are common words.

What is a common example?

ANTISPASMODIC is among the common words in this set.