“Fertilized” or “Fertilised”—What's the difference?

Usage by country

Where each spelling is used

Of the 12 countries below, 12 prefer “fertilized” and 0 prefer “fertilised”. Usage levels are out of 100; the more common spelling in each country is in bold.

Usage level out of 100 (if available).
Country	fertilized	fertilised	Preference
United States	100	0	“fertilized”
United Kingdom	57	43	“fertilized”
India	83	17	“fertilized”
Philippines	100	0	“fertilized”
Canada	98	2	“fertilized”
Australia	55	45	“fertilized”
Liberia	100	0	“fertilized”
Ireland	63	37	“fertilized”
New Zealand	63	37	“fertilized”
Jamaica	100	0	“fertilized”
Trinidad & Tobago	86	14	“fertilized”
Guyana	100	0	“fertilized”

Usage

Examples in context

Real sentences for each spelling. Hover an example to copy it.

“fertilized”

Fertilized eggs hatch into larvae; these…
…gathers the sperm and lays fertilized eggs into a sac carried…
The fertilized female does this over and…
They are fertilized by very the individuals that…
…form after the flowers are fertilized.
H. diminuta fertilized eggs pass in the stool…
Classically, fertilized chicken eggs have often been…
These are fertilized by sperm produced by the…
…2n chromosomes and develop from fertilized eggs.
These eggs were fertilized and the resulting embryos transferred…

“fertilised”

The zygote (fertilised egg) divides by spiral cleavage…
…where the surrogate's egg is fertilised in vivo by the intended…
…seawater (external fertilization), resulting in fertilised eggs.
…mature, sexual reproduction occurs, the fertilised eggs settle out and new…
…in preparation for hosting a fertilised ovum, it sloughs off, detaches,…
A single fertilised egg cell, the zygote, gives…
…a delayed implantation of the fertilised egg, so that implantation on…
…after the female's eggs are fertilised by the male, she attaches…
…uptake and tillage (when heavily fertilised with nitrogen, tall varieties grow…
Fertilised eggs promptly sink to the…

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license.

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