Index: trunk/scripts/I18nSimilarStrings.java
===================================================================
--- trunk/scripts/I18nSimilarStrings.java	(revision 13761)
+++ trunk/scripts/I18nSimilarStrings.java	(revision 13761)
@@ -0,0 +1,40 @@
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.openstreetmap.josm.data.validation.tests.SimilarNamedWays;
+import org.openstreetmap.josm.tools.I18n;
+
+// License: GPL. For details, see LICENSE file.
+
+/**
+ * Finds similar strings in lang files to find potential duplicates in order to reduce translation workload.
+ */
+public final class I18nSimilarStrings {
+
+    /**
+     * Main.
+     * @param args not used
+     */
+    public static void main(String[] args) {
+        I18n.init();
+        List<String> strings = new ArrayList<>();
+        strings.addAll(I18n.getSingularTranslations().keySet());
+        strings.addAll(I18n.getPluralTranslations().keySet());
+        System.out.println("Loaded " + strings.size() + " core strings");
+        strings.removeIf(s -> s.length() <= 5);
+        System.out.println("Kept " + strings.size() + " core strings longer than 5 characters");
+        Collections.sort(strings);
+        for (int i = 0; i < strings.size(); i++) {
+            for (int j = i+1; j < strings.size(); j++) {
+                String a = strings.get(i);
+                String b = strings.get(j);
+                int d = SimilarNamedWays.getLevenshteinDistance(a, b);
+                if (d <= 2) {
+                    System.err.println(": " + a + " <--> " + b);
+                }
+            }
+        }
+        System.out.println("Done!");
+    }
+}