12-Letter Words Containing OST

There are 132 12-letter words that contain OST. 35 are common words, such as AGNOSTICISMS and APOSTATIZING. A rarer one is THERMOSTATED. In this set, I is the most frequent open letter (91 words). 14 words contain a doubled letter.

Full list 132

Common words

agnosticismsapostatizingapostleshipscostlinessesexpostulatedexpostulatesfrostinessesghostwritersghostwritingghostwrittennorthernmostostentations
agnosticismsapostatizingapostleshipscostlinessesexpostulatedexpostulatesfrostinessesghostwritersghostwritingghostwrittennorthernmostostentationsostentatiousosteopathiesosteoporosesosteoporosispaternostersphotostatingphotostattedpostdoctoralpostgraduateposthumouslyposthypnoticpostmeridianpostmistresspostponementpostprandialpostulationspreposterousprostitutingprostitutionprostrationssouthernmosttestosteronethermostaticaldosteronesandrosteroneapostrophizebacteriostatcirrostratusclostridiumscostermongercyclostylingexpostulatorfissirostralheadforemosthydrostaticshyperostosishypostasizeshypostatizedhypostatizesintercostalsnimbostratusosteogenesisosteomalaciaosteoplasticosteoporoticostracodermsphysostomouspostcolonialpostdiluvianpostelectionposterioritypostorgasmicpostpositivepostseasonalpostsynapticpyrognosticssiphonosteletracheostomyacrosticallyapostatisingapostolicityapostrophisecohostessingdeuterostomediagnosticaldictyostelesenterostomalfrostbitingsgeostrategichyperostoseshyperostoticketosteroidsneostigminesnephrostomesosteoblasticosteoclasticosteogenesesosteologicalosteologistsosteosarcomaphytosterolspostabortionpostaccidentpostbiblicalpostcardlikepostcollegespostconquestpostcoronarypostdeadlinepostdeliveryposteditingsposteruptivepostexercisepostexposurepostfeministpostfractureposthospitalpostimperialpostischemicpostliteratepostmedievalpostmidnightpostneonatalpostpositionpostromanticpoststimuluspostsurgicalposttensionspostulanciespostvaccinalpostvagotomypostworkshopprostacyclinprosthetistsprostitutorssnollygostersomatostatinsternocostalthermostablethermostated

About this list

Words
132 (35 common words)
Common example
agnosticisms
Rare example
thermostated
Doubled letters
14
Ending in S
45
Most frequent letter
I (91)

Questions

How many 12-letter words containing ost are there?

132. 35 of them are common words.

What is a common example?

AGNOSTICISMS is among the common words in this set.