13-Letter Words Matching ________I__S_

There are 67 13-letter words that match ________I__S_. 17 are common words, such as AIRWORTHINESS and ARBITRARINESS. A rarer one is PROGRESSIVIST. In this set, E is the most frequent open letter (58 words). 40 words contain a doubled letter.

Full list 67

Common words

airworthinessarbitrarinessbrotherlinessdastardlinessfoolhardinessleisurelinessmomentarinessneoclassicismniggardlinessseaworthinesssprightlinesstemporariness
airworthinessarbitrarinessbrotherlinessdastardlinessfoolhardinessleisurelinessmomentarinessneoclassicismniggardlinessseaworthinesssprightlinesstemporarinessuncleanlinessunearthlinessunhealthinessunsightlinessunworldlinessautoeroticismcorporativismcorporativistcrotchetinesscyberneticistdescriptivismdescriptivistdesultorinessdoctrinairismendopeptidaseexemplarinesshomoeroticismhyaluronidaseindeterminisminfallibilismmercenarinessmillionairessneoclassicistneoplasticismoverhastinesspredatorinessscholarlinessscholasticismsecondarinesssedentarinessstreptokinasethrombokinasevisionarinessvoluntarinessadversarinessbibliophilismcomparativistcomradelinesscosmopolitismcustomarinessgalactosidaseglucuronidaseguttersnipishimaginarinessindeterministmeteoriticistneoplasticistneuraminidasenonchauvinistpainterlinesspenicillinasephosphokinasephospholipaseprogressivismprogressivist

About this list

Words
67 (17 common words)
Common example
airworthiness
Rare example
progressivist
Doubled letters
40
Ending in S
33
Most frequent letter
E (58)

Questions

How many 13-letter words matching ________i__s_ are there?

67. 17 of them are common words.

What is a common example?

AIRWORTHINESS is among the common words in this set.