12-Letter Words Matching _O________S_

There are 130 12-letter words that match _O________S_. 45 are common words, such as BOASTFULNESS and COALITIONIST. A rarer one is WORKLESSNESS. In this set, N is the most frequent open letter (107 words). 87 words contain a doubled letter.

Full list 130

Common words

boastfulnesscoalitionistcohesivenesscollectivismcollectivistcolorfulnesscompletenessconcretenessconservatismcontrarinesscontrariwisecontriteness
boastfulnesscoalitionistcohesivenesscollectivismcollectivistcolorfulnesscompletenessconcretenessconservatismcontrarinesscontrariwisecontritenesscounterpoisecovetousnesscowardlinessdoubtfullestdoubtfulnessfoolhardiestforcefulnessformlessnessgorgeousnesshomelessnesshomesicknesshopelessnesshorriblenesslonesomenesslopsidednessmoderatenessmotherlinessmotorcyclistmournfulnessnorthernmostpopulousnesspositivenesspostmistresssolitarinesssomnambulismsomnambulistsonorousnesssouthernmosttogethernesstortuousnesstoxicologistvolunteerismyouthfulnessbootlessnesscommensalismconfusednesscounterblastdolorousnessfootlessnessfootsorenessgormlessnesshomeopathisthomomorphismhospholipaselollapaloosalovesicknessmonographistmonometalismmorphologistnoctambulismnoctambulistnoncommunistnonscientistpolymorphismportablenesspowerfulnessrootlessnesssociablenesssociometristsoullessnessvoluntaryismwondrousnessworkablenesscockeyednesscocksurenesscoercivenesscohesionlesscoleopteristcollectivisecolonialnesscomposednesscomputerlessconchologistconnubialismcontainerisecosmochemistdownwardnessfoodlessnessforciblenesshomothallismhornlessnessjohnsongrasslongsomenesslovelessnesslovelornnessmonochromistmonodispersemonomorphismmonorchidismmournfullestmovelessnessnonbiologistnonbroadcastnoncolorfastnoneconomistnonsocialistpoeticalnesspointtillistpolycentrismpolydispersepolyglottismpolygraphistpostconquestpostexercisepostfeministsoothingnesssouthernnesstoilsomenesstonelessnesstoploftinesstowardlinessvoicefulnessvoidablenessvolatilenessvoluntaryistwomanishnesswordlessnessworklessness

About this list

Words
130 (45 common words)
Common example
boastfulness
Rare example
worklessness
Doubled letters
87
Ending in S
73
Most frequent letter
N (107)

Questions

How many 12-letter words matching _o________s_ are there?

130. 45 of them are common words.

What is a common example?

BOASTFULNESS is among the common words in this set.