As nouns the difference between std and sid
is that std is subscriber trunk dialing / subscriber toll dialing while sid is sadiki.
As an abbreviation STD
is standard, usually Std or std.
As a proper noun Sid is
a short form of the male given names Sidney, Sydney and Siddharth.
std
Translingual
Initialism
(Initialism)
(head)
dobra
Usage notes
This is the currency code used in the standard.
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sid
English
Alternative forms
* Syd
Proper noun
(
en proper noun)
A short form of the male given names Sidney', '''Sydney''' and ' Siddharth .