“Catalyze” or “Catalyse”

Language

Catalyze and catalyse are both English terms.

Usage

Catalyze is predominantly used in 🇺🇸 American (US) English (en-US) while catalyse is predominantly used in 🇬🇧 British English (used in UK/AU/NZ) (en-GB).

In terms of actual appearance and usage, here's a breakdown by country, with usage level out of 100 (if available) 👇:

Term	US	UK	India	Philippines	Canada	Australia	Liberia	Ireland	New Zealand	Jamaica	Trinidad & Tobago	Guyana
catalyze	93	21	35	94	69	29	0	39	31	100	0	0
catalyse	7	79	65	6	31	71	0	61	69	0	0	0

• In the United States, there is a preference for "catalyze" over "catalyse" (93 to 7).
• In the United Kingdom, there is a 79 to 21 preference for "catalyse" over "catalyze".
• In India, there is a 65 to 35 preference for "catalyse" over "catalyze".
• In the Philippines, there is a preference for "catalyze" over "catalyse" (94 to 6).
• In Canada, there is a preference for "catalyze" over "catalyse" (69 to 31).
• In Australia, there is a 71 to 29 preference for "catalyse" over "catalyze".
• In Liberia, there is not enough data to determine a preference between "catalyze" and "catalyse".
• In Ireland, there is a 61 to 39 preference for "catalyse" over "catalyze".
• In New Zealand, there is a 69 to 31 preference for "catalyse" over "catalyze".
• In Jamaica, there is a preference for "catalyze" over "catalyse" (100 to 0).
• In Trinidad & Tobago, there is not enough data to determine a preference between "catalyze" and "catalyse".
• In Guyana, there is not enough data to determine a preference between "catalyze" and "catalyse".

Examples

Below, we provide some examples of when to use catalyze or catalyse with sample sentences.

Trends

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