diff --git a/src/core/backgroundchecker.h b/src/core/backgroundchecker.h
--- a/src/core/backgroundchecker.h
+++ b/src/core/backgroundchecker.h
@@ -77,6 +77,14 @@
     QStringList suggest(const QString &word) const;
     bool addWordToPersonal(const QString &word);
 
+    /**
+     * This method is used to add a word to the session of the
+     * speller currently set in BackgroundChecker.
+     *
+     * @since 5.55
+     */
+    bool addWordToSession(const QString &word);
+
 public Q_SLOTS:
     virtual void start();
     virtual void stop();
diff --git a/src/core/backgroundchecker.cpp b/src/core/backgroundchecker.cpp
--- a/src/core/backgroundchecker.cpp
+++ b/src/core/backgroundchecker.cpp
@@ -152,6 +152,11 @@
     return d->currentDict.addToPersonal(word);
 }
 
+bool BackgroundChecker::addWordToSession(const QString &word)
+{
+    return d->currentDict.addToSession(word);
+}
+
 QStringList BackgroundChecker::suggest(const QString &word) const
 {
     return d->currentDict.suggest(word);