12-Letter Words Matching ___I_____S__

There are 123 12-letter words that match ___I_____S__. 50 are common words, such as ACTIVENESSES and ANTIFASCISTS. A rarer one is VOTIVENESSES. In this set, S is the most frequent open letter (110 words). 55 words contain a doubled letter.

Full list 123

Common words

activenessesantifascistsantimacassarastigmatismsaudiologistsboyishnessesbraininessesdelicatessendisinterestsfelicitouslyfruitinessesgarishnesses
activenessesantifascistsantimacassarastigmatismsaudiologistsboyishnessesbraininessesdelicatessendisinterestsfelicitouslyfruitinessesgarishnessesgraininessesimpishnesseslavishnessesmedievalistsmeticulouslyminiaturistsmodishnessesmotionlesslymulishnessesnationalismsnationalistsnumismatistsoafishnessesofficialismsomnivorouslypolitenessesquaintnessesradiologistsrakishnessesrationalismsrationalistsregionalismsremissnessesrevisionismsrevisionistsridiculouslyshrillnessessociologistssolicitouslystrictnessestaxidermiststraitorouslyunkindnessesunlikenessesuntidinessesvigilantismsvigilantistsvociferouslyangiogenesischoicenessesdovishnessesfinitenesseshelianthusesindigenouslylibidinouslyofficialesespalingenesespalingenesisreligionistsuncinariasisundistresseduppishnessesviviparouslyangiogenesesantielitismsantielitistsantifascismsantirealismsantirealistsartilleristsbluishnessesboringnessescitizenessescloistressesdaringnessesdivisionismsdivisionistsentirenessesequilibristsfacilenessesfamiliarisedfamiliarisesfuliginouslyfutilenesseslecithinaseslivingnesseslovingnessesmedievalismsmotivelesslynationalisednationalisesnativenessesnoninterestsoffishnessesowlishnessespetitenessespleinairismspleinairistspoliovirusesrationalisedrationalisesregionalistsresistlesslysemiologistssemioticistssociologesessoliloquisedsoliloquisessoliloquistsspringhousesstridulouslysupinenessesthriftlesslytraitoressesuncinariasesunripenessesuppitinessesuppitynessesvaginismusesvenialnessesvotivenesses

About this list

Words
123 (50 common words)
Common example
activenesses
Rare example
votivenesses
Doubled letters
55
Ending in S
100
Most frequent letter
S (110)

Questions

How many 12-letter words matching ___i_____s__ are there?

123. 50 of them are common words.

What is a common example?

ACTIVENESSES is among the common words in this set.