As nouns the difference between tt and io
is that tt is time trial while io is a type of moth, the io moth.
As an initialism TT
is tuberculin tested (a quality of milk in post-war Britain.
As an abbreviation tt
is teetotal.
As an interjection io is
an exclamation of joy or triumph.
As a proper noun Io is
the daughter of Inachus river god, and a lover of Zeus.
tt
Translingual
Symbol
(
head)
The ISO 3166-1 two-letter (alpha-2) code for Trinidad and Tobago.
ISO 3166-1
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io
Translingual
Symbol
(
head)
The ISO 3166-1 two-letter (alpha-2) code for British Indian Ocean Territory.
ISO 3166-1
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