diff --git a/src/yaml/entries-g.yaml b/src/yaml/entries-g.yaml
index e3677269..e0b2de03 100644
--- a/src/yaml/entries-g.yaml
+++ b/src/yaml/entries-g.yaml
@@ -7786,6 +7786,16 @@ Guayaquil:
     sense:
     - id: 'guayaquil%1:15:00::'
       synset: 08794982-n
+Guaíra:
+  n:
+    sense:
+    - id: 'guaíra%1:17:00::'
+      synset: 09453320-n
+Guaíra Falls:
+  n:
+    sense:
+    - id: 'guaíra_falls%1:17:00::'
+      synset: 09453320-n
 Guenevere:
   n:
     sense:
diff --git a/src/yaml/entries-u.yaml b/src/yaml/entries-u.yaml
index 9057b768..c7dc9b96 100644
--- a/src/yaml/entries-u.yaml
+++ b/src/yaml/entries-u.yaml
@@ -2150,6 +2150,16 @@ Urubupunga Falls:
     sense:
     - id: 'urubupunga_falls%1:17:00::'
       synset: 09490895-n
+Urubupungá:
+  n:
+    sense:
+    - id: 'urubupungá%1:17:00::'
+      synset: 09490895-n
+Urubupungá Falls:
+  n:
+    sense:
+    - id: 'urubupungá_falls%1:17:00::'
+      synset: 09490895-n
 Uruguay:
   n:
     sense:
diff --git a/src/yaml/noun.object.yaml b/src/yaml/noun.object.yaml
index 6c11199a..cfd2e41d 100644
--- a/src/yaml/noun.object.yaml
+++ b/src/yaml/noun.object.yaml
@@ -14140,7 +14140,8 @@
   wikidata: Q8910
 09453320-n:
   definition:
-  - a great waterfall on the border between Brazil and Paraguay
+  - a former waterfall on the border between Brazil and Paraguay; now impounded by
+    the Itaipu Dam
   ili: i86159
   instance_hypernym:
   - 09498422-n
@@ -14148,6 +14149,8 @@
   - Sete Quedas
   - Guaira
   - Guaira Falls
+  - Guaíra
+  - Guaíra Falls
   partOfSpeech: n
   wikidata: Q940892
 09453519-n:
@@ -16542,13 +16545,16 @@
   partOfSpeech: n
 09490895-n:
   definition:
-  - a waterfall in the Parana river in Brazil
+  - a former waterfall on the Parana river in Brazil; now impounded by the Engineer
+    Souza Dias Dam and the Ilha Solteira Dam
   ili: i86375
   instance_hypernym:
   - 09498422-n
   members:
   - Urubupunga
   - Urubupunga Falls
+  - Urubupungá
+  - Urubupungá Falls
   partOfSpeech: n
 09491051-n:
   definition: