diff --git a/src/routes/Morph/MorphResults.js b/src/routes/Morph/MorphResults.js
index e5ca54b1..2e45c1f2 100644
--- a/src/routes/Morph/MorphResults.js
+++ b/src/routes/Morph/MorphResults.js
@@ -30,11 +30,21 @@ const MorphResults = props => {
       }
     }
 
-    // Assign the changed class if the result is different from last run
+    // Assign the 'different' and 'changed' classes appropriately
     const classes = result => {
-      return result.changed && props.showDiff
-        ? classNames(styles.outText, styles.changed)
-        : styles.outText
+      if (props.showDiff && result.diff) {
+        if (result.input !== result.output) {
+          return classNames(styles.outText, styles.different, styles.changed)
+        } else {
+          return classNames(styles.outText, styles.different)
+        }
+      } else {
+        if (result.input !== result.output) {
+          return classNames(styles.outText, styles.changed)
+        } else {
+          return styles.outText
+        }
+      }
     }
 
     // Return the results text
@@ -57,7 +67,7 @@ const MorphResults = props => {
       if (resultsArr[i].input === resultsArr[i].output) {
         unchangedWords++
       }
-      if (resultsArr[i].changed) {
+      if (resultsArr[i].diff) {
         differentWords++
       }
     }
@@ -100,7 +110,7 @@ MorphResults.propTypes = {
       PropTypes.shape({
         input: PropTypes.string.isRequired,
         output: PropTypes.string.isRequired,
-        changed: PropTypes.bool.isRequired
+        diff: PropTypes.bool.isRequired
       })
     ).isRequired,
     PropTypes.arrayOf(PropTypes.string.isRequired).isRequired
diff --git a/src/routes/Morph/MorphService.js b/src/routes/Morph/MorphService.js
index 9014736c..8c27dc91 100644
--- a/src/routes/Morph/MorphService.js
+++ b/src/routes/Morph/MorphService.js
@@ -20,7 +20,7 @@ class MorphService {
     this.rewriteLex = this.rewriteLex.bind(this)
     this.unrewriteLex = this.unrewriteLex.bind(this)
     this.applyChanges = this.applyChanges.bind(this)
-    this.idChanged = this.idChanged.bind(this)
+    this.idDiff = this.idDiff.bind(this)
     this.morph = this.morph.bind(this)
   }
 
@@ -320,7 +320,7 @@ class MorphService {
     return rwOutput ? this.unrewriteLex(results, rules) : results
   }
 
-  idChanged (data, results) {
+  idDiff (data, results) {
     const newResults = JSON.parse(JSON.stringify(results))
 
     if (
@@ -329,13 +329,13 @@ class MorphService {
       typeof data.results[0] !== 'string'
     ) {
       for (let i = 0; i < newResults.length; i++) {
-        newResults[i].changed =
+        newResults[i].diff =
           newResults[i].input !== data.results[i].input &&
           newResults[i].output !== data.results[i].output
       }
     } else {
       for (let i = 0; i < newResults.length; i++) {
-        newResults[i].changed = true
+        newResults[i].diff = true
       }
     }
 
@@ -372,7 +372,7 @@ class MorphService {
       newData.rewriteOutput
     )
 
-    return this.idChanged(newData, results)
+    return this.idDiff(newData, results)
   }
 }
 
diff --git a/src/routes/Morph/styles.js b/src/routes/Morph/styles.js
index 5b3194dd..3a52a887 100644
--- a/src/routes/Morph/styles.js
+++ b/src/routes/Morph/styles.js
@@ -46,8 +46,11 @@ const styles = {
       marginBottom: 0
     }
   },
-  changed: {
+  different: {
     fontWeight: 'bold'
+  },
+  changed: {
+    fontStyle: 'italic'
   }
 }