15-Letter Words Matching ____O_________S

There are 193 15-letter words that match ____O_________S. 42 are common words, such as ACKNOWLEDGMENTS and AIRWORTHINESSES. A rarer one is VISIONARINESSES. In this set, E is the most frequent open letter (167 words). 48 words contain a doubled letter.

Full list 193

Common words

acknowledgmentsairworthinessesanalogousnessesappropriatenessastrophysicistscomfortablenessdiscombobulatesdiscontentmentsdiscontinuancesdiscontinuitiesdiscountenancesdiscouragements
acknowledgmentsairworthinessesanalogousnessesappropriatenessastrophysicistscomfortablenessdiscombobulatesdiscontentmentsdiscontinuancesdiscontinuitiesdiscountenancesdiscouragementsdissolutenesseselaboratenessesexplosivenessesfrivolousnesseshydrocephalusesimprobabilitiesinviolabilitiesmicrobiologistsmicrometeoritesmicroprocessorsneocolonialismsneocolonialistsnitrocellulosesnitroglycerinesnonconformitiesnoncooperationspaleontologistsphotoengravingsphotofinishingspoliomyelitidesprovocativenessradioactivitiesradiotelegraphsradiotelephonesradiotherapistsseaworthinessesservomechanismssorrowfulnessestemporarinessesunwholesomenessadenocarcinomasadenoidectomiesazidothymidinescarpometacarpuscommonplacenessconvolvulaceouscyanocobalaminsdisconcertmentseconometriciansferromagnetismsforeordinationsgeomorphologiesgluconeogenesisglyconeogenesishydrocortisoneshypnotherapistsincoordinationsinexorabilitiesmalnourishmentsmastoidectomiesnonconformancesosteomyelitidesphotosensitizespurposelessnessreproachfulnessresponsiblenesssociobiologiststarsometatarsusadenohypophysesadenohypophysisaminopeptidasesantiobscenitiesariboflavinosesariboflavinosisastrobiologistsbenzodiazepineschemoreceptionschemotaxonomieschemotherapistsclamorousnessescolloquialitiescorporealnessescorrosivenessescustomarinessescyproheptadinesdichotomousnessdisconformitiesdisconsolationsdisposabilitiesemployabilitiesepizootiologiesethnohistorianseutrophicationsferromanganesesglamorousnessesglucocorticoidsgluconeogeneseshydrobiologistshydroxyapatiteshydroxyprolinesimprovabilitiesinviolatenesseslignocelluloseslignosulfonatesmacroaggregatesmacroevolutionsmacrostructuresmethoxyfluranesmicrobarographsmicroelectrodesmicroevolutionsmicroinjectionsmicrometeoroidsmicroporositiesmicroprojectorsmicropublishersmicropulsationsmicrosporocytesmicrostructuresmicrotechniquesmicrotonalitiesmiscomputationsmiscorrelationsneuroanatomistsneurobiologistsneurohypophysesneurohypophysisneuroscientistsneurosecretionsneurotoxicitiesnincompooperiesnoncoincidencesnoncombustiblesnonconcurrencesnonconsumptionsnoncorrelationsopprobriousnessorthogonalitiesorthophosphatesoxidoreductasespaleobiologistspaleoecologistspaleomagnetismspaleomagnetistspaleozoologistspathogenicitiespentobarbitonesphenobarbitonesphenomenologiesphotoautotrophsphotobiologistsphotoduplicatesphotogeologistsphotoinductionsphotooxidationsphotoperiodismsphotoreceptionsphotoreductionsphototoxicitiesphytotoxicitiespictorialnessespreponderanciespreponderationspromotabilitiespromotivenessesprosopographiesprotohistoriansprotoporphyrinsprotozoologistspurposivenessesradioautographsradiobiologistsradiostrontiumsreasonabilitiesretroactivitiesretrogradationsretroreflectorssacrosanctitiessaprogenicitiesschlockmeisterssigmoidoscopiessteroidogenesessteroidogenesisthyroidectomiestomboyishnessestrisoctahedronsturbogeneratorsuniformitariansunknowabilitiesunprofessionalsvisionarinesses

About this list

Words
193 (42 common words)
Common example
acknowledgments
Rare example
visionarinesses
Doubled letters
48
Ending in S
193
Most frequent letter
E (167)

Questions

How many 15-letter words matching ____o_________s are there?

193. 42 of them are common words.

What is a common example?

ACKNOWLEDGMENTS is among the common words in this set.