“Rationalized” or “Rationalised”—What's the difference?

Usage by country

Where each spelling is used

Of the 12 countries below, 3 prefer “rationalized” and 3 prefer “rationalised”. Usage levels are out of 100; the more common spelling in each country is in bold.

Usage level out of 100 (if available).
Country	rationalized	rationalised	Preference
United States	99	1	“rationalized”
United Kingdom	24	76	“rationalised”
India	41	59	“rationalised”
Philippines	100	0	“rationalized”
Canada	100	0	“rationalized”
Australia	0	100	“rationalised”
Liberia	0	0	Not enough data
Ireland	0	0	Not enough data
New Zealand	0	0	Not enough data
Jamaica	0	0	Not enough data
Trinidad & Tobago	0	0	Not enough data
Guyana	0	0	Not enough data

Usage

Examples in context

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

“rationalized”

Krusenstern rationalized the entertainment of the crew:…
Subparagraph 2 relates, through (rationalized parliamentarism) to making it difficult…
…involved the development of a Rationalized Range of cars sharing as…
Lorentz–Heaviside units (also called rationalized).
…the tyranny of the factory, rationalized labor, and "planned production", which…
…of any variation that is rationalized by any sufficiently dominant or…
…that could no longer be rationalized or fit modern sensitivities, and…
…1), but it is a "rationalized" system (as is SI) in…
…system is said to be "rationalized": the laws for systems of…
Later on, the range was rationalized and the models renamed Standard,…

“rationalised”

…2017, the women's section was rationalised to four tiers.
…the line and station were rationalised but remained operational.
…or leaving the University, and rationalised the degree programs, stopping a…
Lord Hoffman rationalised this on the basis that…
He rationalised his actions as those of…
…BC, the Akkadian emperor Naram-Sin rationalised the Babylonian system of measure,…
…1 July 1983) serviced a "rationalised" range of cameras, lenses and…
The following month, the RAAF rationalised its EATS facilities, dividing the…
…for the situation to be rationalised.
…at Victoria began to be rationalised and integrated with those from…

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license.

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