Update vocabulary.

ugushian.md

@@ -633,7 +633,7 @@ Past   |-щ*    -лш*    -вші
 + ад (gen.) - from.
 + у (loc.) - at, in, near, by.
 + на (acc./loc.) - on, to, at, onto.
-+ як (nom.) - as.
++ як (acc.) - as.
 + в (acc.) - to, into.
 + в (loc.) - in, inside.
 + за (ins.) - after.

ugushian_voc.yml

@@ -338,6 +338,10 @@ nouns:
     declension: I
     gender: feminine
     definition: a support
+  прікриття:
+    declension: I
+    gender: feminine
+    definition: a cover
   сестра:
     declension: I
     gender: feminine