“Etiology” or “Aetiology”

Language

Etiology and aetiology are both English terms.

Usage

Etiology is predominantly used in 🇺🇸 American (US) English (en-US) while aetiology 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
etiology	98	39	94	99	94	40	100	47	48	73	85	100
aetiology	2	61	6	1	6	60	0	53	52	27	15	0

• In the United States, there is a preference for "etiology" over "aetiology" (98 to 2).
• In the United Kingdom, there is a 61 to 39 preference for "aetiology" over "etiology".
• In India, there is a preference for "etiology" over "aetiology" (94 to 6).
• In the Philippines, there is a preference for "etiology" over "aetiology" (99 to 1).
• In Canada, there is a preference for "etiology" over "aetiology" (94 to 6).
• In Australia, there is a 60 to 40 preference for "aetiology" over "etiology".
• In Liberia, there is a preference for "etiology" over "aetiology" (100 to 0).
• In Ireland, there is a 53 to 47 preference for "aetiology" over "etiology".
• In New Zealand, there is a 52 to 48 preference for "aetiology" over "etiology".
• In Jamaica, there is a preference for "etiology" over "aetiology" (73 to 27).
• In Trinidad & Tobago, there is a preference for "etiology" over "aetiology" (85 to 15).
• In Guyana, there is a preference for "etiology" over "aetiology" (100 to 0).

Examples

Below, we provide some examples of when to use etiology or aetiology with sample sentences.

Trends

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