13-Letter Words Matching ___I_____S___

There are 61 13-letter words that match ___I_____S___. 27 are common words, such as ANCIENTNESSES and ANTIMACASSARS. A rarer one is VISIBLENESSES. In this set, N is the most frequent open letter (58 words). 48 words contain a doubled letter.

Full list 61

Common words

ancientnessesantimacassarsanxiousnessesbiliousnessescopiousnessescuriousnessesdelicatessensdemigoddessesdeviousnessesdisinteresteddubiousnessesdutifulnesses
ancientnessesantimacassarsanxiousnessesbiliousnessescopiousnessescuriousnessesdelicatessensdemigoddessesdeviousnessesdisinteresteddubiousnessesdutifulnessesenviousnessesfinickinessesillicitnessesimpiousnessesnationalisticobliquenessesobviousnessesrationalisticseriousnessesspringinessesstringinessestediousnessesthriftinessesuprightnessesviciousnessesanticorrosiveinsipidnesseslogicalnessesmisimpressionnoxiousnessesanticollisionanticorrosionantirecessionassistantshipdecidednessesdividednessesequilibristicethicalnessesfamiliarisingfinicalnesseslimitednesseslyricalnessesminiaturisticnationalisingnonincreasingpitifulnessesradicalnessesrationalisingregionalisticretirednessessolicitorshipsoliloquisingsquishinessestypicalnessesunpicturesqueuptightnessesvaliantnessesvariousnessesvisiblenesses

About this list

Words
61 (27 common words)
Common example
ancientnesses
Rare example
visiblenesses
Doubled letters
48
Ending in S
42
Most frequent letter
N (58)

Questions

How many 13-letter words matching ___i_____s___ are there?

61. 27 of them are common words.

What is a common example?

ANCIENTNESSES is among the common words in this set.