Why does vocabulary in a language not always prove that its speakers have a particular cultural belief?

Vocabulary does not always serve as a direct indicator of a speaker's cultural beliefs because linguistic patterns and cultural behaviors are distinct, and the relationship between them is complex rather than deterministic.12

Several factors explain why vocabulary alone is insufficient to prove specific cultural beliefs:

• Superficial Variation: Differences in vocabulary often reflect superficial linguistic variation rather than deep-seated cognitive or cultural differences. For example, linguists have noted that having multiple words for a concept—such as "snow" in Inuit or "water" in English—is a common feature of language adaptation and does not necessarily imply a unique worldview or environmental determinism.2
• Linguistic Relativity vs. Determinism: While the Whorfian hypothesis suggests that language influences perception, modern linguists largely reject "strong" versions that claim language determines thought. Most scholars agree that translation between languages is generally possible, indicating that humans share a capacity for understanding regardless of their specific vocabulary.32
• Historical and Functional Change: Vocabulary is subject to rapid change due to technological, social, or fashionable trends, which may not reflect fundamental cultural beliefs. Furthermore, words can evolve in meaning over time—such as the Greek term dikē shifting from "way" to "abstract justice"—demonstrating that lexical structures are dynamic and often follow philosophical or social developments rather than dictating them.45

Ultimately, while language and culture are interrelated, vocabulary is a flexible tool that does not strictly govern or mirror the entirety of a speaker's belief system.15