15-Letter Words Matching ____R____T_____

There are 51 15-letter words that match ____R____T_____. 9 are common words, such as CONFRONTATIONAL and DEPARTMENTALIZE. A rarer one is SUPERSPECTACLES. In this set, I is the most frequent open letter (49 words). 11 words contain a doubled letter.

Full list 51

Common words

confrontationaldepartmentalizedisproportionalexperimentationinstrumentalistinstrumentalityinstrumentationinterrogativelyinterrogatoriesanagrammatizingarboriculturistcontradictorily
confrontationaldepartmentalizedisproportionalexperimentationinstrumentalistinstrumentalityinstrumentationinterrogativelyinterrogatoriesanagrammatizingarboriculturistcontradictorilydepartmentalismdeterminatenessdeterminativelyexperimentalismexperimentalistexperimentalizeimportunatenessinstrumentalisminterpenetratedinterpenetratesinterrogationalinterrogatorilyinterstratifiedinterstratifiesmalpractitionertribromoethanolantiromanticismcontradictoriesdisproportionedenterobacterialenterobacteriumenterogastronesepigrammatizersepigrammatizinggovernmentalismgovernmentalistgovernmentalizehyperexcitementhyperfunctionalhyperreactivityinterdigitatinginterdigitationinterelectrodesinterelectronicintervisitationnoncredentialedsubordinatenesssuperplasticitysuperspectacles

About this list

Words
51 (9 common words)
Common example
confrontational
Rare example
superspectacles
Doubled letters
11
Ending in S
11
Most frequent letter
I (49)

Questions

How many 15-letter words matching ____r____t_____ are there?

51. 9 of them are common words.

What is a common example?

CONFRONTATIONAL is among the common words in this set.