diff --git a/data/dictionaries/cy/building_types.txt b/data/dictionaries/cy/building_types.txt
new file mode 100644
index 00000000..13577c36
--- /dev/null
+++ b/data/dictionaries/cy/building_types.txt
@@ -0,0 +1,2 @@
+bythynnod
+tyddyn
\ No newline at end of file
diff --git a/data/dictionaries/cy/personal_titles.txt b/data/dictionaries/cy/personal_titles.txt
new file mode 100644
index 00000000..12eb9e9e
--- /dev/null
+++ b/data/dictionaries/cy/personal_titles.txt
@@ -0,0 +1,2 @@
+brenin
+sant
\ No newline at end of file
diff --git a/data/dictionaries/cy/place_names.txt b/data/dictionaries/cy/place_names.txt
new file mode 100644
index 00000000..028810aa
--- /dev/null
+++ b/data/dictionaries/cy/place_names.txt
@@ -0,0 +1,10 @@
+castell
+efail
+eglwys
+felin
+ffynnon
+pont|bont
+sarn
+stad
+rhodfa'r|rhodfar
+ysgol
\ No newline at end of file
diff --git a/data/dictionaries/cy/qualifiers.txt b/data/dictionaries/cy/qualifiers.txt
new file mode 100644
index 00000000..02599b30
--- /dev/null
+++ b/data/dictionaries/cy/qualifiers.txt
@@ -0,0 +1,2 @@
+pentre
+ynys
\ No newline at end of file
diff --git a/data/dictionaries/cy/stopwords.txt b/data/dictionaries/cy/stopwords.txt
new file mode 100644
index 00000000..4ef2963f
--- /dev/null
+++ b/data/dictionaries/cy/stopwords.txt
@@ -0,0 +1,3 @@
+dan
+y
+yr
\ No newline at end of file
diff --git a/data/dictionaries/cy/street_types.txt b/data/dictionaries/cy/street_types.txt
new file mode 100644
index 00000000..92db44a3
--- /dev/null
+++ b/data/dictionaries/cy/street_types.txt
@@ -0,0 +1,22 @@
+cae
+cae'r
+cilgant
+clos
+coedlan
+cwrt
+ffordd
+gerddi
+heol
+llys
+llwyn
+lôn|lon
+maes
+plas
+porth
+rhes
+rhodfa
+rhodfa'r|rhodfar
+sgwâr|sgwar
+stryd
+strydoedd
+stryt
\ No newline at end of file