This is the 66th most frequent Bulgarian word.
лв
The Bulgarian word "лв" (lev) is the currency of Bulgaria.
In this sentence, 'лв.' is used as an abbreviation for 'лева,' the Bulgarian currency unit, referring to the price of an item.
Цената на книгата е 20 лв.
The price of the book is 20 lv.
In this case, 'левове' is the plural form of 'лев,' showing the conversion of currency values.
В банката обмениха 100 евро за левове.
At the bank, they exchanged 100 euros for levs.
Here, 'лв.' is used to denote the amount of change returned, indicating a monetary transaction.