diff --git a/framework/helpers/BaseInflector.php b/framework/helpers/BaseInflector.php
index 039e70d589..d8754be040 100644
--- a/framework/helpers/BaseInflector.php
+++ b/framework/helpers/BaseInflector.php
@@ -51,6 +51,7 @@ class BaseInflector
         '/us$/i' => 'uses',
         '/(alias)$/i' => '\1es',
         '/(ax|cris|test)is$/i' => '\1es',
+        '/(currenc)y$/' => '\1ies',
         '/s$/' => 's',
         '/^$/' => '',
         '/$/' => 's',
@@ -97,6 +98,7 @@ class BaseInflector
         '/(n)ews$/i' => '\1\2ews',
         '/(n)etherlands$/i' => '\1\2etherlands',
         '/eaus$/' => 'eau',
+        '/(currenc)ies$/' => '\1y',
         '/^(.*us)$/' => '\\1',
         '/s$/i' => '',
     ];
diff --git a/tests/framework/helpers/InflectorTest.php b/tests/framework/helpers/InflectorTest.php
index 4a9a1c6d44..713b3c7c9d 100644
--- a/tests/framework/helpers/InflectorTest.php
+++ b/tests/framework/helpers/InflectorTest.php
@@ -31,6 +31,7 @@ class InflectorTest extends TestCase
             'test' => 'tests',
             'car' => 'cars',
             'netherlands' => 'netherlands',
+            'currency' => 'currencies',
         ];
 
         foreach ($testData as $testIn => $testOut) {
@@ -59,6 +60,7 @@ class InflectorTest extends TestCase
             'tests' => 'test',
             'cars' => 'car',
             'Netherlands' => 'Netherlands',
+            'currencies' => 'currency',
         ];
         foreach ($testData as $testIn => $testOut) {
             $this->assertEquals($testOut, Inflector::singularize($testIn));