Add more German vocabulary (#15)

german.yaml

@@ -732,11 +732,11 @@ vocabulary:
   - term: der Mais
     definition: the maize
     declension:
-      - ["",         singular,     plural]
-      - [nominative, Mais,         N/A   ]
-      - [genitive,   Maises, Mais, N/A   ]
-      - [dative,     Mais,         N/A   ]
-      - [accusative, Mais,         N/A   ]
+      - ["",         singular,       plural]
+      - [nominative, Mais,           N/A   ]
+      - [genitive,   "Maises, Mais", N/A   ]
+      - [dative,     Mais,           N/A   ]
+      - [accusative, Mais,           N/A   ]
   - term: der Reis
     definition: the rice
     declension:
@@ -2226,6 +2226,10 @@ vocabulary:
     definition: to the
   - term: Gehst du auch gern ins Kino?
     definition: Do you also like going to the cinema?
+  - term: Ich gehe gern ins Kino
+    definition: I like going to the cinema.
+  - term: Ich schwimme nicht gern.
+    definition: I don't like swimming.
   - term: Hast du ein Hobby?
     definition: Do yo have a hobby?
   - term: Ich ... gern
@@ -2236,6 +2240,22 @@ vocabulary:
     definition: I really like going to ... (some place)
   - term: Isst du gern ...
     definition: Do you like eating ...?
+  - term: die Umfrage
+    definition: the survey
+    declension:
+      - ["",         singular, plural  ]
+      - [nominative, Umfrage,  Umfragen]
+      - [genitive,   Umfrage,  Umfragen]
+      - [dative,     Umfrage,  Umfragen]
+      - [accusative, Umfrage,  Umfragen]
+  - term: die Reise
+    definition: the travel
+    declension:
+      - ["",         singular, plural]
+      - [nominative, Reise, Reisen   ]
+      - [genitive,   Reise, Reisen   ]
+      - [dative,     Reise, Reisen   ]
+      - [accusative, Reise, Reisen   ]