15-Letter Words Matching I____________S_

There are 48 15-letter words that match I____________S_. 18 are common words, such as ILLUSTRIOUSNESS and IMPECUNIOUSNESS. A rarer one is INTOLERABLENESS. 44 words contain a doubled letter.

Full list 48

Common words

illustriousnessimpecuniousnessinattentivenessincongruousnessindustriousnessineffectivenessinexpensivenessinformativenessinjudiciousnessinoffensivenessinquisitivenessinscrutableness
illustriousnessimpecuniousnessinattentivenessincongruousnessindustriousnessineffectivenessinexpensivenessinformativenessinjudiciousnessinoffensivenessinquisitivenessinscrutablenessinstrumentalistinsurrectionistintellectualisminterventionisminterventionistinvoluntarinessignominiousnessimaginativenessimportunatenessimpracticalnessincredulousnessindomitablenessineffectualnessinflammablenessinopportunenessinsensitivenessinstrumentalismintemperatenessintractablenessirreligiousnessirreparablenessirrevocablenessillimitablenessimplicativenessimpregnablenessinalterablenessindefinablenessindubitablenessinexcusablenessinheritablenessinoperativenessinseparablenessinstructivenessintellectualistinterestingnessintolerableness

About this list

Words
48 (18 common words)
Common example
illustriousness
Rare example
intolerableness
Doubled letters
44
Ending in S
41

Questions

How many 15-letter words matching i____________s_ are there?

48. 18 of them are common words.

What is a common example?

ILLUSTRIOUSNESS is among the common words in this set.