12-Letter Words Matching I_____L_____

There are 50 12-letter words that match I_____L_____. 22 are common words, such as ICONOCLASTIC and ILLEGALITIES. A rarer one is INTERPLUVIAL. In this set, T is the most frequent open letter (43 words). 22 words contain a doubled letter.

Full list 50

Common words

iconoclasticillegalitiesimbecilitiesimmaculatelyimmobilitiesimmobilizingimmoralitiesimmunologiesimmunologistimperilmentsincivilitiesincompletely
iconoclasticillegalitiesimbecilitiesimmaculatelyimmobilitiesimmobilizingimmoralitiesimmunologiesimmunologistimperilmentsincivilitiesincompletelyinconclusiveinequalitiesinfidelitiesinitializinginstallationinstallmentsinstillationirregularityirresolutelyirresolutionillegalizingimmobilizersincompletioninstillmentsinsufflationinterglacialinterpleaderinveiglementinvigilatinginvigilationinvigilatorsirresolvableignobilitiesimmaculaciesindocilitiesinfibulatinginfibulationinosculatinginosculationinsufflatinginsufflatorsinterallelicinterclusterinterfluvialinterplantedinterplayinginterpleadedinterpluvial

About this list

Words
50 (22 common words)
Common example
iconoclastic
Rare example
interpluvial
Doubled letters
22
Ending in S
17
Most frequent letter
T (43)

Questions

How many 12-letter words matching i_____l_____ are there?

50. 22 of them are common words.

What is a common example?

ICONOCLASTIC is among the common words in this set.