Learn how to say Rigour correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word rigour:
the quality of being extremely thorough and careful:
his analysis is lacking in rigour
severity or strictness:
the full rigour of the law
(rigours) harsh and demanding conditions:
the rigours of a harsh winter
late Middle English: from Old French rigour from Latin rigor ‘stiffness’
Remember that rigour ends with -our (the spelling rigor is American).