This is the 478th most frequent Estonian word.
narvas
"Narvas" means "in Narva," referring to the city of Narva in Estonia.
Here, 'Narvas' denotes a location in the inessive case, indicating 'in Narva'.
Ma elan Narvas.
I live in Narva.
Again, 'Narvas' is used to indicate the location using the inessive case.
Tänane ilm Narvas on ilus.
Today's weather in Narva is beautiful.
Here, 'narvas' is an adverb meaning 'nervously' or 'uneasily' in a colloquial context.