As nouns the difference between msa and rr
is that msa is modern Standard Arabic (Fus-ha while RR is railroad.
As a proper noun RR is
roraima, a state of Brazil.
As an abbreviation RR is
(from the status code used in the GDS) reconfirm / reconfirmed.
msa
English
Noun
(
en noun)
Modern Standard Arabic (Fus-ha)
Michigan Statutes Annotated
Motorway Service Area
(label) Mobile Service Architecture
(Metropolitan Statistical Area)
Anagrams
*
rr
English
Noun
(
en noun)
railroad
(cycling) road race
Abbreviation
(
Abbreviation)
(
en-abbr)
(aviation, travel, dated) (from the status code used in the GDS) reconfirm / reconfirmed.
See also
* R and R
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