“Anesthetic” or “Anaesthetic”

Language

Anesthetic and anaesthetic are both English terms.

Usage

Anesthetic is predominantly used in 🇺🇸 American (US) English (en-US) while anaesthetic 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
anesthetic	90	35	54	87	76	27	0	41	32	62	61	100
anaesthetic	10	65	46	13	24	73	0	59	68	38	39	0

• In the United States, there is a preference for "anesthetic" over "anaesthetic" (90 to 10).
• In the United Kingdom, there is a 65 to 35 preference for "anaesthetic" over "anesthetic".
• In India, there is a preference for "anesthetic" over "anaesthetic" (54 to 46).
• In the Philippines, there is a preference for "anesthetic" over "anaesthetic" (87 to 13).
• In Canada, there is a preference for "anesthetic" over "anaesthetic" (76 to 24).
• In Australia, there is a 73 to 27 preference for "anaesthetic" over "anesthetic".
• In Liberia, there is not enough data to determine a preference between "anesthetic" and "anaesthetic".
• In Ireland, there is a 59 to 41 preference for "anaesthetic" over "anesthetic".
• In New Zealand, there is a 68 to 32 preference for "anaesthetic" over "anesthetic".
• In Jamaica, there is a preference for "anesthetic" over "anaesthetic" (62 to 38).
• In Trinidad & Tobago, there is a preference for "anesthetic" over "anaesthetic" (61 to 39).
• In Guyana, there is a preference for "anesthetic" over "anaesthetic" (100 to 0).

Examples

Below, we provide some examples of when to use anesthetic or anaesthetic with sample sentences.

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