“Catalyzed” or “Catalysed”

Language

Catalyzed and catalysed are both English terms.

Usage

Catalyzed is predominantly used in 🇺🇸 American (US) English (en-US) while catalysed 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
catalyzed	97	28	38	91	91	32	0	34	37	0	100	0
catalysed	3	72	62	9	9	68	0	66	63	0	0	0

• In the United States, there is a preference for "catalyzed" over "catalysed" (97 to 3).
• In the United Kingdom, there is a 72 to 28 preference for "catalysed" over "catalyzed".
• In India, there is a 62 to 38 preference for "catalysed" over "catalyzed".
• In the Philippines, there is a preference for "catalyzed" over "catalysed" (91 to 9).
• In Canada, there is a preference for "catalyzed" over "catalysed" (91 to 9).
• In Australia, there is a 68 to 32 preference for "catalysed" over "catalyzed".
• In Liberia, there is not enough data to determine a preference between "catalyzed" and "catalysed".
• In Ireland, there is a 66 to 34 preference for "catalysed" over "catalyzed".
• In New Zealand, there is a 63 to 37 preference for "catalysed" over "catalyzed".
• In Jamaica, there is not enough data to determine a preference between "catalyzed" and "catalysed".
• In Trinidad & Tobago, there is a preference for "catalyzed" over "catalysed" (100 to 0).
• In Guyana, there is not enough data to determine a preference between "catalyzed" and "catalysed".

Examples

Below, we provide some examples of when to use catalyzed or catalysed with sample sentences.

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