15-Letter Words Matching _____D______I__

There are 29 15-letter words that match _____D______I__. 3 are common words, such as CONFIDENTIALITY and DEPENDABILITIES. A rarer one is UPGRADABILITIES. In this set, I is the most frequent open letter (28 words). 4 words contain a doubled letter.

Full list 29

Common words

confidentialitydependabilitiesincredibilitiesachondroplasiascommodificationformidabilitieshydrodynamicistimponderabilityreproducibilityaffordabilitiesamphidiploidiesdeacidification
confidentialitydependabilitiesincredibilitiesachondroplasiascommodificationformidabilitieshydrodynamicistimponderabilityreproducibilityaffordabilitiesamphidiploidiesdeacidificationexcludabilitiesexpandabilitiesexpendabilitiesextendabilitiesextrudabilitiesineradicabilityinterdigitatinginterdigitationmicrodissectionmultidisciplinenonadditivitiesoveradvertisingoveridentifyingpremodificationrefundabilitiesspreadabilitiesupgradabilities

About this list

Words
29 (3 common words)
Common example
confidentiality
Rare example
upgradabilities
Doubled letters
4
Ending in S
15
Most frequent letter
I (28)

Questions

How many 15-letter words matching _____d______i__ are there?

29. 3 of them are common words.

What is a common example?

CONFIDENTIALITY is among the common words in this set.