15-Letter Words Matching _______O______S

There are 124 15-letter words that match _______O______S. 28 are common words, such as ANTHROPOLOGISTS and BACTERIOLOGISTS. A rarer one is TRICHOMONACIDES. In this set, I is the most frequent open letter (106 words). 18 words contain a doubled letter.

Full list 124

Common words

anthropologistsbacteriologistscircumlocutionsclaustrophobiascontemporaneouscorrespondencesdisapprobationsdiscombobulatesepidemiologistsgrandiloquencesmicrobiologistsmicroprocessors
anthropologistsbacteriologistscircumlocutionsclaustrophobiascontemporaneouscorrespondencesdisapprobationsdiscombobulatesepidemiologistsgrandiloquencesmicrobiologistsmicroprocessorsmisappropriatesmultiprocessorsnonconformitiesnonperformancespaleontologistsparthenogenesesparthenogenesispharmacologistspredispositionspresuppositionssensationalismssensationalistssensationalizessupererogationstraditionalismstraditionalistsachondroplasiasagranulocytosesagranulocytosisanthropogenesesanthropogenesisanthropometriesanthropophagousbioastronauticschlorpromazinescircumvolutionseducationalistsepistemologistsgluconeogenesisglyconeogenesismercaptopurinesnonconformancespassifloraceousplainspokennesssociobiologistsunequivocalnessunselfconsciousallelomorphismsanthropophagiesanthroposophiesantialcoholismsantimonopolistsastrobiologistsbacteriophagieschlorpropamidescontrapositionscontrapositivescryptozoologiesdialectologistsdichloroethanesdisconformitiesdisconsolationsecclesiologistsenterocolitisesexceptionalismsexceptionalnessgeohydrologistsgluconeogeneseshemochromatoseshemochromatosisheteromorphismshydrobiologistskremlinologistsleukaemogenesesleukaemogenesisliturgiologistsmacroevolutionsmicroevolutionsmicroprojectorsmicrosporocytesmonochromatismsneurobiologistsnincompooperiesnonphilosophersnonrandomnessesnonuniformitiesoperationalismsoperationalistsorthophosphatesoverdecorationsoverhomogenizespaleobiologistspaleoecologistspaleozoologistsparamyxovirusesparasitologistsparthenocarpiespharmacognosiesphotobiologistsphotogeologistspreperformancesprotozoologistspseudomorphismsradiobiologistsreflectometriesrefractometriesreinvigorationsrheumatologistssensationalisessigmoidoscopiesspermatogenesesspermatogenesissteroidogenesessteroidogenesisstockbrokeragesstoichiometriesstratovolcanoessuperphosphatestenosynovitisesthalassocraciestraditionalizestrichomonacides

About this list

Words
124 (28 common words)
Common example
anthropologists
Rare example
trichomonacides
Doubled letters
18
Ending in S
124
Most frequent letter
I (106)

Questions

How many 15-letter words matching _______o______s are there?

124. 28 of them are common words.

What is a common example?

ANTHROPOLOGISTS is among the common words in this set.