“Synthesize” or “Synthesise”

Language

Synthesize and synthesise are both English terms.

Usage

Synthesize is predominantly used in 🇺🇸 American (US) English (en-US) while synthesise 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
synthesize	99	39	55	100	97	40	0	55	52	100	100	0
synthesise	1	61	45	0	3	60	0	45	48	0	0	0

• In the United States, there is a preference for "synthesize" over "synthesise" (99 to 1).
• In the United Kingdom, there is a 61 to 39 preference for "synthesise" over "synthesize".
• In India, there is a preference for "synthesize" over "synthesise" (55 to 45).
• In the Philippines, there is a preference for "synthesize" over "synthesise" (100 to 0).
• In Canada, there is a preference for "synthesize" over "synthesise" (97 to 3).
• In Australia, there is a 60 to 40 preference for "synthesise" over "synthesize".
• In Liberia, there is not enough data to determine a preference between "synthesize" and "synthesise".
• In Ireland, there is a preference for "synthesize" over "synthesise" (55 to 45).
• In New Zealand, there is a preference for "synthesize" over "synthesise" (52 to 48).
• In Jamaica, there is a preference for "synthesize" over "synthesise" (100 to 0).
• In Trinidad & Tobago, there is a preference for "synthesize" over "synthesise" (100 to 0).
• In Guyana, there is not enough data to determine a preference between "synthesize" and "synthesise".

Examples

Below, we provide some examples of when to use synthesize or synthesise with sample sentences.

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