diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 598420da37f..4cd244306c9 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -4825,10 +4825,11 @@ void TextEdit::select_word_under_caret(int p_caret) {
 			continue;
 		}
 
-		select(get_caret_line(c), begin, get_caret_column(c), end, c);
+		select(get_caret_line(c), begin, get_caret_line(c), end, c);
 		// Move the caret to the end of the word for easier editing.
 		set_caret_column(end, false, c);
 	}
+	merge_overlapping_carets();
 }
 
 void TextEdit::select(int p_from_line, int p_from_column, int p_to_line, int p_to_column, int p_caret) {
diff --git a/tests/scene/test_text_edit.h b/tests/scene/test_text_edit.h
index 9514178c612..3a20ac123b5 100644
--- a/tests/scene/test_text_edit.h
+++ b/tests/scene/test_text_edit.h
@@ -637,17 +637,42 @@ TEST_CASE("[SceneTree][TextEdit] text entry") {
 		}
 
 		SUBCASE("[TextEdit] select word under caret") {
-			text_edit->set_text("test   test");
+			text_edit->set_text("\ntest   test\ntest   test");
+
 			text_edit->set_caret_column(0);
+			text_edit->set_caret_line(1);
+
+			text_edit->add_caret(2, 0);
+			text_edit->add_caret(2, 2);
+			CHECK(text_edit->get_caret_count() == 3);
+
+			MessageQueue::get_singleton()->flush();
+
+			SIGNAL_DISCARD("text_set");
+			SIGNAL_DISCARD("text_changed");
+			SIGNAL_DISCARD("lines_edited_from");
+			SIGNAL_DISCARD("caret_changed");
+
 			text_edit->select_word_under_caret();
-			CHECK(text_edit->get_selected_text() == "test");
-			CHECK(text_edit->has_selection());
-			CHECK(text_edit->get_selection_from_line() == 0);
-			CHECK(text_edit->get_selection_from_column() == 0);
-			CHECK(text_edit->get_selection_to_line() == 0);
-			CHECK(text_edit->get_selection_to_column() == 4);
-			CHECK(text_edit->get_caret_line() == 0);
-			CHECK(text_edit->get_caret_column() == 4);
+			CHECK(text_edit->has_selection(0));
+			CHECK(text_edit->get_selected_text(0) == "test");
+			CHECK(text_edit->get_selection_from_line(0) == 1);
+			CHECK(text_edit->get_selection_from_column(0) == 0);
+			CHECK(text_edit->get_selection_to_line(0) == 1);
+			CHECK(text_edit->get_selection_to_column(0) == 4);
+			CHECK(text_edit->get_caret_line(0) == 1);
+			CHECK(text_edit->get_caret_column(0) == 4);
+
+			CHECK(text_edit->has_selection(1));
+			CHECK(text_edit->get_selected_text(1) == "test");
+			CHECK(text_edit->get_selection_from_line(1) == 2);
+			CHECK(text_edit->get_selection_from_column(1) == 0);
+			CHECK(text_edit->get_selection_to_line(1) == 2);
+			CHECK(text_edit->get_selection_to_column(1) == 4);
+			CHECK(text_edit->get_caret_line(1) == 2);
+			CHECK(text_edit->get_caret_column(1) == 4);
+
+			CHECK(text_edit->get_caret_count() == 2);
 
 			text_edit->select_word_under_caret();
 			CHECK_FALSE(text_edit->has_selection());
@@ -656,27 +681,44 @@ TEST_CASE("[SceneTree][TextEdit] text entry") {
 			SEND_GUI_ACTION(text_edit, "ui_text_select_word_under_caret");
 			CHECK(text_edit->get_viewport()->is_input_handled());
 			MessageQueue::get_singleton()->flush();
-			CHECK(text_edit->has_selection());
-			CHECK(text_edit->get_selected_text() == "test");
-			CHECK(text_edit->get_selection_from_line() == 0);
-			CHECK(text_edit->get_selection_from_column() == 0);
-			CHECK(text_edit->get_selection_to_line() == 0);
-			CHECK(text_edit->get_selection_to_column() == 4);
-			CHECK(text_edit->get_caret_line() == 0);
-			CHECK(text_edit->get_caret_column() == 4);
+			CHECK(text_edit->has_selection(0));
+			CHECK(text_edit->get_selected_text(0) == "test");
+			CHECK(text_edit->get_selection_from_line(0) == 1);
+			CHECK(text_edit->get_selection_from_column(0) == 0);
+			CHECK(text_edit->get_selection_to_line(0) == 1);
+			CHECK(text_edit->get_selection_to_column(0) == 4);
+			CHECK(text_edit->get_caret_line(0) == 1);
+			CHECK(text_edit->get_caret_column(0) == 4);
+
+			CHECK(text_edit->has_selection(1));
+			CHECK(text_edit->get_selected_text(1) == "test");
+			CHECK(text_edit->get_selection_from_line(1) == 2);
+			CHECK(text_edit->get_selection_from_column(1) == 0);
+			CHECK(text_edit->get_selection_to_line(1) == 2);
+			CHECK(text_edit->get_selection_to_column(1) == 4);
+			CHECK(text_edit->get_caret_line(1) == 2);
+			CHECK(text_edit->get_caret_column(1) == 4);
+
+			CHECK(text_edit->get_selected_text() == "test\ntest");
 			SIGNAL_CHECK("caret_changed", empty_signal_args);
 
 			text_edit->set_selecting_enabled(false);
 			text_edit->select_word_under_caret();
 			CHECK_FALSE(text_edit->has_selection());
 			CHECK(text_edit->get_selected_text() == "");
-			CHECK(text_edit->get_caret_line() == 0);
-			CHECK(text_edit->get_caret_column() == 4);
+			CHECK(text_edit->get_caret_line(0) == 1);
+			CHECK(text_edit->get_caret_column(0) == 4);
+			CHECK(text_edit->get_caret_line(1) == 2);
+			CHECK(text_edit->get_caret_column(1) == 4);
 			SIGNAL_CHECK_FALSE("caret_changed");
 			text_edit->set_selecting_enabled(true);
 
-			text_edit->set_caret_line(0);
-			text_edit->set_caret_column(5);
+			text_edit->set_caret_line(1, false, true, 0, 0);
+			text_edit->set_caret_column(5, false, 0);
+
+			text_edit->set_caret_line(2, false, true, 0, 1);
+			text_edit->set_caret_column(5, false, 1);
+
 			text_edit->select_word_under_caret();
 			CHECK_FALSE(text_edit->has_selection());
 			CHECK(text_edit->get_selected_text() == "");
@@ -684,8 +726,10 @@ TEST_CASE("[SceneTree][TextEdit] text entry") {
 			text_edit->select_word_under_caret();
 			CHECK_FALSE(text_edit->has_selection());
 			CHECK(text_edit->get_selected_text() == "");
-			CHECK(text_edit->get_caret_line() == 0);
-			CHECK(text_edit->get_caret_column() == 5);
+			CHECK(text_edit->get_caret_line(0) == 1);
+			CHECK(text_edit->get_caret_column(0) == 5);
+			CHECK(text_edit->get_caret_line(1) == 2);
+			CHECK(text_edit->get_caret_column(1) == 5);
 			SIGNAL_CHECK_FALSE("caret_changed");
 		}