This is the 198th most frequent Estonian word.
rootsi
"Rootsi" in Estonian means "Sweden."
'rootsi' is used here as an adjective describing the Swedish language.
Ma õpin rootsi keelt.
I am learning the Swedish language.
'Rootsi' is used here as a proper noun referring to the country Sweden.
Rootsi on ilus riik.
Sweden is a beautiful country.
'Rootsi' is used here as a possessive adjective indicating that the friends are from Sweden.