Why are scientific names often written in Latinized words?

Scientific names are written in Latin or Latinized Greek primarily because Latin served as the lingua franca of Western scholarship during the time of Carolus Linnaeus.12

Using Latin provides several key advantages for scientific classification:

• Stability: As a "dead" language no longer used in ordinary conversation, its vocabulary and meanings do not evolve or change over time, ensuring that names remain consistent for future generations of scientists.1
• Universality: By using a standardized, non-vernacular language, scientists worldwide can communicate clearly about the same species, avoiding the confusion caused by common names that vary across different regions and languages.1
• Precision: The system allows for formal, precise identification through binomial nomenclature, where names are governed by strict grammatical rules of agreement, ensuring consistency in how organisms are categorized and described.31

By adopting this practice, Linnaeus established a reliable, hierarchical framework that remains the backbone of international taxonomy today.431