15-Letter Words Containing RU

There are 71 15-letter words that contain RU. 29 are common words, such as CONSTRUCTIONIST and DECONSTRUCTIONS. A rarer one is ULTRASTRUCTURES. In this set, S is the most frequent open letter (66 words). 24 words contain a doubled letter.

Full list 71

Common words

constructionistdeconstructionsdestructibilitydestructivenessdisgruntlementsfruitlessnessesgarrulousnessesincongruousnessinfrastructuresinscrutablenessinstrumentalistinstrumentality
constructionistdeconstructionsdestructibilitydestructivenessdisgruntlementsfruitlessnessesgarrulousnessesincongruousnessinfrastructuresinscrutablenessinstrumentalistinstrumentalityinstrumentationintrusivenessesmisconstructionnonconstructiveobstructionismsobstructionistsobstructivenessobtrusivenessesquadruplicatingquadruplicationquerulousnessesreconstructionssuperstructurestrustworthinesstyrannosaurusesunobtrusivenessunreconstructedcongruousnessesconstructivismsconstructivistsdistrustfulnessfructificationsichthyosaurusesinfrastructuralinstructorshipsinstrumentalismjurisprudentialmistrustfulnessreconstructiblerumbustiousnesssuperstructuraluninterruptedlyuninterruptibleanticorruptionscytomegalovirusdestructionistsdestructivitiesextrudabilitiesincorruptnessesinstructivenessinteruniversitymacrostructuralmacrostructuresmicrostructuralmicrostructuresnonconstructionnoninstrumentaloverconstructedoverutilizationparamyxovirusesprussianizationquadruplicitiesrudimentarinessrumormongeringsstructuralizingtechnostructuretrueheartednessultrastructuralultrastructures

About this list

Words
71 (29 common words)
Common example
constructionist
Rare example
ultrastructures
Doubled letters
24
Ending in S
43
Most frequent letter
S (66)

Questions

How many 15-letter words containing ru are there?

71. 29 of them are common words.

What is a common example?

CONSTRUCTIONIST is among the common words in this set.