14-Letter Words Matching ___I____S_____

There are 16 14-letter words that match ___I____S_____. 5 are common words, such as EXTINGUISHABLE and INDISPENSABLES. A rarer one is THRIFTLESSNESS. In this set, E is the most frequent open letter (15 words). 6 words contain a doubled letter.

Full list 16

extinguishableindispensablesinfinitesimalsmotionlessnessrelinquishmentaudiocassettesmeticulositiesradiosensitiveantihomosexualantiparasiticsantirecessionsextinguishmentlexicalisationmisimpressionsresistlessnessthriftlessness

About this list

Words
16 (5 common words)
Common example
extinguishable
Rare example
thriftlessness
Doubled letters
6
Ending in S
10
Most frequent letter
E (15)

Questions

How many 14-letter words matching ___i____s_____ are there?

16. 5 of them are common words.

What is a common example?

EXTINGUISHABLE is among the common words in this set.