diff --git a/vocab/en-us/flight.control.check.voc b/vocab/en-us/flight.control.check.voc
new file mode 100644
index 0000000..bf32b19
--- /dev/null
+++ b/vocab/en-us/flight.control.check.voc
@@ -0,0 +1,3 @@
+Flight control check
+Flight controls check
+Flight controls
diff --git a/vocab/en-us/securing.check.voc b/vocab/en-us/securing.check.voc
new file mode 100644
index 0000000..8a97fbb
--- /dev/null
+++ b/vocab/en-us/securing.check.voc
@@ -0,0 +1,6 @@
+Securing checklist
+Securing check list
+Securing the aircraft checklist
+Securing the aircraft check list
+Securing aircraft checklist
+Securing aircraft check list