As nouns the difference between promisor and provisor
is that promisor is one who engages or undertakes; a promiser while provisor is a deputy of a Roman Catholic bishop.
promisor
English
Noun
(
en noun)
(legal) One who engages or undertakes; a promiser.
- (Burrill)
See also
* promisee
provisor
English
Alternative forms
* provisour (obsolete)
Noun
(
en noun)
A deputy of a Roman Catholic bishop.
The holder of a papal provision.
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