“Theorized” or “Theorised”—What's the difference?

Usage by country

Where each spelling is used

Of the 12 countries below, 4 prefer “theorized” and 2 prefer “theorised”. Usage levels are out of 100; the more common spelling in each country is in bold.

Usage level out of 100 (if available).
Country	theorized	theorised	Preference
United States	99	1	“theorized”
United Kingdom	24	76	“theorised”
India	70	30	“theorized”
Philippines	100	0	“theorized”
Canada	96	4	“theorized”
Australia	24	76	“theorised”
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.

“theorized”

A Swedish scientist, Anna Gislen, theorized that this was due to…
Sad music has also been theorized to allow for greater experience…
…1932, more recent scholars have theorized that realignments don't in fact…
…Friedrich Meyer, among other ideas, theorized that nerves would be excited…
…in MX, it is often theorized the game was intended to…
…French geographer and scientist who theorized about the possibility of continental…
It is theorized that the hydraulic pressure generated…
Hubbard theorized science fiction writers sometimes recalled…
They theorized that, if effort was focused…
A related form of (theorized) statistical discrimination is based on…

“theorised”

It was theorised that, as a well known…
…to be looked at and theorised consistently, based on insight into…
…from the late 19th century theorised about pre-Māori settlement.
…George Grant, and Eugene Forsey, theorised that the greatest threat to…
Sexual dimorphism has been theorised to have arisen from sexual…
Inside, he theorised, is a huge subterranean sea.
Some fans have theorised that Latka may be from…
Researcher Raymond Smeets theorised that if implicit egotism stems…
…of anthropology, Alan Fiske, has theorised that all human interactions can…
It has been theorised that his parents were Sir…

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license.

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