diff --git a/locales/cy.json b/locales/cy.json
index 566e73e1..eb391572 100644
--- a/locales/cy.json
+++ b/locales/cy.json
@@ -141,7 +141,7 @@
     "An alternative front-end to YouTube": "Pen blaen amgen i YouTube",
     "source": "ffynhonnell",
     "Log in": "Mewngofnodi",
-    "Log in/register": "Mewngofnodi/Cofrestru",
+    "Log in/register": "Mewngofnodi/cofrestru",
     "User ID": "Enw defnyddiwr",
     "preferences_quality_option_dash": "DASH (ansawdd addasol)",
     "Sign In": "Mewngofnodi",
@@ -381,5 +381,32 @@
     "channel_tab_channels_label": "Sianeli",
     "channel_tab_community_label": "Cymuned",
     "channel_tab_shorts_label": "Fideos byrion",
-    "channel_tab_videos_label": "Fideos"
+    "channel_tab_videos_label": "Fideos",
+    "generic_playlists_count_0": "{{count}} rhestr chwarae",
+    "generic_playlists_count_1": "{{count}} rhestr chwarae",
+    "generic_playlists_count_2": "{{count}} rhestri chwarae",
+    "generic_playlists_count_3": "{{count}} rhestri chwarae",
+    "generic_playlists_count_4": "{{count}} rhestri chwarae",
+    "generic_playlists_count_5": "{{count}} rhestri chwarae",
+    "New passwords must match": "Rhaid i'r cyfrineiriau newydd cyfateb â'i gilydd",
+    "last": "diwethaf",
+    "First page": "Tudalen gyntaf",
+    "preferences_preload_label": "Cynlwytho data fideo: ",
+    "preferences_extend_desc_label": "Ymestyn disgrifiad fideo'n awtomatig: ",
+    "preferences_vr_mode_label": "Fideos rhyngweithiol 360 gradd (angen WebGL): ",
+    "preferences_video_loop_label": "Doleniwch bob amser: ",
+    "Top enabled: ": "Tudalen fideos brig wedi'i alluogi: ",
+    "Export subscriptions as OPML (for NewPipe & FreeTube)": "Allforio tanysgrifiadau ar fformat OPML (i NewPipe a FreeTube)",
+    "Export subscriptions as OPML": "Allforio tanysgrifiadau ar fformat OPML",
+    "preferences_annotations_subscribed_label": "Ddangos nodiadau sianeli tanysgrifiwyd fel rhagosodiad? ",
+    "Redirect homepage to feed: ": "Ailgyfeirio tudalen gartref i'r borthiant: ",
+    "preferences_feed_menu_label": "Dewislen porthiant: ",
+    "Login enabled: ": "Mewngofnodi wedi'i alluogi: ",
+    "tokens_count_0": "",
+    "tokens_count_1": "tocyn",
+    "tokens_count_2": "",
+    "tokens_count_3": "",
+    "tokens_count_4": "tocynnau",
+    "tokens_count_5": "",
+    "Source available here.": "Tarddle ar gael yma."
 }