100 Most Common 15-Letter Words

On this page, we have complied a list of the 100 most common1 15-letter words in the English language by frequency of use.

Whether you’re a writer looking for inspiration, a student studying for exams, or just someone who enjoys word games and puzzles, this list is for you. From simple words to the more complex and difficult to spell, these common word lists are a great way to expand your vocabulary and boost your language skills. So let’s get started!

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Note we have removed offensive and swear words from this list.

Top 100 Most Frequenly Used 15-Letter Words

recommendations
characteristics
representatives
pharmaceuticals
congratulations
representations
troubleshooting
internationally
confidentiality
instrumentation
notwithstanding
vulnerabilities
straightforward
implementations
differentiation
environmentally
synchronization
accomplishments
transplantation
competitiveness
interpretations
electromagnetic
acknowledgement
transformations
classifications
entrepreneurial
professionalism
interconnection
standardization
charlottesville
merchantability
experimentation
physiopathology
phosphorylation
acknowledgments
diversification
transcriptional
electrophoresis
infrastructures
supplementation
personalization
administrations
appropriateness
hospitalization
interchangeable
reconsideration
methamphetamine
epidemiological
inconsistencies
antidepressants
musculoskeletal
extraordinarily
technologically
dissatisfaction
intercollegiate
anthropological
pharmacological
chronologically
atherosclerosis
indemnification
microprocessors
electrochemical
decommissioning
decontamination
extracurricular
countermeasures
collaboratively
superconducting
psychologically
interdependence
differentiating
unconditionally
incompatibility
bibliographical
apprenticeships
reauthorization
cinematographer
microbiological
corticosteroids
pseudoephedrine
fundamentalists
functionalities
developmentally
crystallization
reconfiguration
comprehensively
superintendents
pathophysiology
generalizations
ultrasonography
crystallography
procrastination
democratization
oligonucleotide
investigational
photojournalism
reproducibility
correspondingly
discontinuation
contemporaneous

 
Need a more comprehensive list than this one? We have complied an extensive list of fifteen-letter English words here.

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