“Endeavor” or “Endeavour”—What's the difference?

Usage by country

Where each spelling is used

Of the 12 countries below, 3 prefer “endeavor” and 8 prefer “endeavour”. Usage levels are out of 100; the more common spelling in each country is in bold.

Usage level out of 100 (if available).
Country	endeavor	endeavour	Preference
United States	82	18	“endeavor”
United Kingdom	14	86	“endeavour”
India	10	90	“endeavour”
Philippines	78	22	“endeavor”
Canada	39	61	“endeavour”
Australia	6	94	“endeavour”
Liberia	100	0	“endeavor”
Ireland	16	84	“endeavour”
New Zealand	13	87	“endeavour”
Jamaica	44	56	“endeavour”
Trinidad & Tobago	22	78	“endeavour”
Guyana	0	0	Not enough data

Usage

Examples in context

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

“endeavor”

…the United Society of Christian Endeavor.
…all sound generated by human endeavor, whether music, theatre, or electromechanical.
NTA shall endeavor to call on other ministries…
NTA shall endeavor to have taxpayers file accurate…
…his own fortune toward the endeavor, and for a while the…
was never a for-profit endeavor and thus I never posted…
Under Sagarmala Programme, the endeavor is to provide enhanced connectivity…
…remains Cord's most heavily publicized endeavor.
…gameplay makes it a worthwhile endeavor."
…Nixon, "easily accessible for human endeavor of the 1980s and 1990s."

“endeavour”

Endeavour Foundation offers opportunities for people…
…(ECUST) has been making every endeavour to furnish itself with world-class…
…since Breeders Cup in the Endeavour Stakes at Tampa Bay Downs…
…operated by NSW TrainLink using Endeavour railcars.
…at the mouth of the Endeavour River).
…in His Majesty’s Bark the Endeavour sailed past the coast off
…his T-9 poll, and declared Endeavour a "go" for launch at…
…capital, Capua, under siege, an endeavour in which he had the…
…jettisoned 12 minutes apart as Endeavour and the SFU traveled across…
…and was successful in its endeavour, though heavily opposed by the…

Examples are Wikipedia snippets under the CC ShareAlike 3.0 license.

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