diff --git a/currency.json b/currency.json
new file mode 100644
index 0000000..5a4a341
--- /dev/null
+++ b/currency.json
@@ -0,0 +1,4 @@
+{
+  "RUB": ["руб", "рубли", "рубля", "рублей", "рубль", "rub", "rouble", "roubles"],
+  "USD": ["доллары", "доллар", "доллара", "зеленых", "usd", "dollar", "dollars"]
+}
\ No newline at end of file