As nouns the difference between manour and mainour
is that manour is while mainour is a stolen article found on the person of or near the thief.
mainour
English
Noun
(
en noun)
A stolen article found on the person of or near the thief
* 1796, Maria Edgeworth, The Parent's Assistant
- Caught the thief, with the mainour , hey?
References
* http://dictionary.reference.com/browse/mainour