As initialisms the difference between app and opp
is that app is actinobacllus pleuropneumoniae while OPP is ontario Provincial Police; the police force of the Canadian province of Ontario.
As a noun App
is abbreviation of lang=en.
As an abbreviation opp is
opposite.
As a proper noun Opp is
a city in Alabama.
opp
English
(wikipedia)
Initialism
(Initialism)
(head)
Ontario Provincial Police; the police force of the Canadian province of Ontario.
Alternative forms
*
Anagrams
*
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