12-Letter Words Matching __I_______S_

There are 60 12-letter words that match __I_______S_. 22 are common words, such as BLISSFULNESS and CHILDISHNESS. A rarer one is VOIDABLENESS. In this set, S is the most frequent open letter (49 words). 40 words contain a doubled letter.

Full list 60

Common words

blissfulnesschildishnesscliquishnessfaithfulnessfriendlinessgrievousnessidiosyncrasyknightlinesspainlessnessphilistinismpriestlinesspriggishness
blissfulnesschildishnesscliquishnessfaithfulnessfriendlinessgrievousnessidiosyncrasyknightlinesspainlessnessphilistinismpriestlinesspriggishnessprincelinessseismologistskillfulnessskittishnessslipperinessspiritualismspiritualistspitefullestspitefulnesssuitablenessapiculturistcriticalnesseditorialistepiscopalismexiguousnessflittermousefrictionlessphilistinishphilosophismpridefulnessthievishnesstriumphalismtriumphalistuniversalismuniversalistamicablenessanisotropismaviculturistblimpishnessepicureanismfaintishnessguilefulnesshairlessnessmaidenlinessphillumenistphilosophisepointtillistskillessnesssniffishnessspiritednessthinkingnesstoilsomenesstrichologisttrickishnesstristfulnessunitarianismvoicefulnessvoidableness

About this list

Words
60 (22 common words)
Common example
blissfulness
Rare example
voidableness
Doubled letters
40
Ending in S
36
Most frequent letter
S (49)

Questions

How many 12-letter words matching __i_______s_ are there?

60. 22 of them are common words.

What is a common example?

BLISSFULNESS is among the common words in this set.