diff --git a/.gitmodules b/.gitmodules
index ed0620d..e6d0639 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "msc"]
 	path = msc
 	url = git@github.com:IoTcat/msc-api.git
+[submodule "words"]
+	path = words
+	url = git@github.com:IoTcat/words-api.git
diff --git a/words b/words
new file mode 160000
index 0000000..04c6f81
--- /dev/null
+++ b/words
@@ -0,0 +1 @@
+Subproject commit 04c6f814578b82c9fd1d00edbcb73ae04d3c42d2