diff --git a/manifest.firefox.json b/manifest.firefox.json
index 27d0ca1..f0c056e 100644
--- a/manifest.firefox.json
+++ b/manifest.firefox.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "Silent Send",
-  "version": "2.0.3",
+  "version": "2.0.5",
   "description": "Intercepts personal info and substitutes it with user-defined replacements before sending to AI services.",
   "browser_specific_settings": {
     "gecko": {
diff --git a/manifest.json b/manifest.json
index 034e60e..ad9d1fa 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "Silent Send",
-  "version": "2.0.3",
+  "version": "2.0.5",
   "description": "Intercepts personal info and substitutes it with user-defined replacements before sending to AI services.",
   "permissions": [
     "storage",
diff --git a/package.json b/package.json
index a203aae..e33f7f7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "silent-send",
-  "version": "2.0.3",
+  "version": "2.0.5",
   "private": true,
   "license": "BSL-1.1",
   "description": "Browser extension that substitutes personal data before sending to AI services",
diff --git a/src/content/content.js b/src/content/content.js
index 384ca10..47fd4e5 100644
--- a/src/content/content.js
+++ b/src/content/content.js
@@ -182,6 +182,32 @@
             replacements.push({ original: matched, replaced: sub, category: 'name', pattern: 'smart' });
             return sub;
           });
+          // Concatenated forms: JohnSmith, johnsmith, john.smith, john_smith, john-smith
+          // Also reversed: SmithJohn, smithjohn, smith.john, etc.
+          const f = first.real, l = last.real;
+          const fs = first.substitute, ls = last.substitute;
+          const concatPatterns = [
+            // first+last
+            [f + l, fs + ls],
+            [f + '.' + l, fs + '.' + ls],
+            [f + '_' + l, fs + '_' + ls],
+            [f + '-' + l, fs + '-' + ls],
+            // last+first
+            [l + f, ls + fs],
+            [l + '.' + f, ls + '.' + fs],
+            [l + '_' + f, ls + '_' + fs],
+            [l + '-' + f, ls + '-' + fs],
+          ];
+          for (const [real, sub] of concatPatterns) {
+            result = result.replace(new RegExp('\\b' + esc(real) + '\\b', 'gi'), (matched) => {
+              // Preserve case: all-lower→lower, ALL-UPPER→upper, else use sub as-is
+              let replacement = sub;
+              if (matched === matched.toLowerCase()) replacement = sub.toLowerCase();
+              else if (matched === matched.toUpperCase()) replacement = sub.toUpperCase();
+              replacements.push({ original: matched, replaced: replacement, category: 'name', pattern: 'smart-concat' });
+              return replacement;
+            });
+          }
         }
       }
 
diff --git a/src/options/options.html b/src/options/options.html
index abe7481..ea8ce0a 100644
--- a/src/options/options.html
+++ b/src/options/options.html
@@ -589,7 +589,7 @@
     </section>
 
     <footer>
-      <p>Silent Send v2.0.3</p>
+      <p>Silent Send v2.0.5</p>
     </footer>
   </div>