diff --git a/src/database.rs b/src/database.rs
index cbdfd71..7394dce 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -47,13 +47,18 @@ impl WordDb {
         transaction.execute(&format!("
         CREATE TABLE {}_words (
                 id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-                word TINYTEXT UNIQUE NOT NULL,
+                word TINYTEXT NOT NULL,
                 type_id INTEGER NOT NULL,
                 content MEDIUMTEXT NOT NULL,
                 FOREIGN KEY (type_id)
                     REFERENCES {}_types (id)
         )", &lang.code, &lang.code), []).unwrap();
 
+        transaction.execute(&format!("
+        CREATE INDEX word_index
+        ON {}_words (word)
+        ", &lang.code), []).unwrap();
+
         transaction.commit().unwrap();
     }
 
@@ -102,8 +107,7 @@ impl WordDb {
         }
 
         println!("Parsing data...");
-        let entries = WiktionaryEntries::parse_data(data)
-                                        .merge_duplicates();
+        let entries = WiktionaryEntries::parse_data(data);
 
         println!("Inserting data...");
         self.insert_entries(lang, entries);
diff --git a/src/main.rs b/src/main.rs
index 4230471..14117db 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,6 @@
 //mod database;
 use rocket::routes;
 use rocket::fs::FileServer;
-use rocket::data::{Limits, ToByteUnit};
 use clap::{App, AppSettings, Arg, SubCommand};
 //use database::WordDb;
 mod database;
@@ -83,8 +82,8 @@ async fn main() {
             rocket::custom(figment)
                    .manage(db)
                    .mount("/static", FileServer::from("static/"))
-                   .mount("/", routes![routes::get_word,
-                                       routes::get_word_like,
+                   .mount("/", routes![routes::get_entries,
+                                       routes::get_entries_like,
                                        routes::frontend])
                    .launch()
                    .await.unwrap();
diff --git a/src/routes.rs b/src/routes.rs
index edb1e7f..8dad838 100644
--- a/src/routes.rs
+++ b/src/routes.rs
@@ -18,34 +18,46 @@ pub fn frontend() -> Option<content::Html<String>> {
 }
 
 #[get("/langs/<lang>/words/<word>")]
-pub fn get_word(db: &State<WordDb>, lang: &str, word: &str) -> Option<content::Json<String>> {
-    let connection = db.connect();
-
-    let word = connection.query_row(&format!(
-            "SELECT content FROM {}_words WHERE word = ?",
-            lang),
-        [word],
-        |row| row.get(0)
-    );
-
-    match word {
-        Ok(w) => Some(content::Json(w)),
-        Err(_) => None
-    }
-}
-
-#[get("/langs/<lang>/words?<like>&<limit>&<offset>")]
-pub fn get_word_like(db: &State<WordDb>, lang: &str, like: &str, limit: usize, offset: usize) -> Json<Vec<String>> {
+pub fn get_entries(db: &State<WordDb>, lang: &str, word: &str) -> status::Custom<content::Json<String>> {
     let connection = db.connect();
 
     let mut statement = connection.prepare(&format!(
-            "SELECT word
-            FROM {}_words
-            WHERE word LIKE ?
-            ORDER BY length(word) ASC
-            LIMIT ?
-            OFFSET ?",
-            lang)
+        "SELECT content
+        FROM {}_words
+        WHERE word = ?",
+        lang)
+    ).unwrap();
+
+    let mut rows = statement.query([word]).unwrap();
+
+    let mut words = String::new();
+
+    words.push('[');
+    while let Some(row) = rows.next().unwrap() {
+        let content: String = row.get(0).unwrap();
+        words.push_str(&content);
+        words.push(',');
+    }
+    if words.pop().unwrap() == '[' {
+        words.push('[');
+    }
+    words.push(']');
+
+    status::Custom(Status::Ok, content::Json(words))
+}
+
+#[get("/langs/<lang>/words?<like>&<limit>&<offset>")]
+pub fn get_entries_like(db: &State<WordDb>, lang: &str, like: &str, limit: usize, offset: usize) -> Json<Vec<String>> {
+    let connection = db.connect();
+
+    let mut statement = connection.prepare(&format!(
+        "SELECT word
+        FROM {}_words
+        WHERE word LIKE ?
+        ORDER BY length(word) ASC
+        LIMIT ?
+        OFFSET ?",
+        lang)
     ).unwrap();
 
     let mut rows = statement.query(params![format!("%{}%", like), limit, offset]).unwrap();
diff --git a/static/index.js b/static/index.js
index b12c64a..64dd4c7 100644
--- a/static/index.js
+++ b/static/index.js
@@ -31,7 +31,9 @@ function getWord(word) {
         success: (data) => {
             $('#ajax-content').html(generateHtml(data))
             searchBar.autocomplete('close');
-        }
+        },
+
+        error: err => console.error(err)
     })
 }
 
@@ -90,6 +92,12 @@ function generateTable(schemas, pos, forms) {
 
     let unusedCells = forms.filter(cell => !cell.used);
 
+    if(schema.ignoreUnused) {
+        unusedCells = unusedCells.filter(cell =>
+            !schema.ignoreUnused.map(tags => tags.every(tag => cell.tags.includes(tag)))
+        );
+    }
+
     if(unusedCells.length > 0) {
         html += '<h3>Other</h3>';
         html += generateList(unusedCells);
@@ -101,10 +109,6 @@ function generateTable(schemas, pos, forms) {
 function generateHtml(data) {
     let html = '';
 
-    if(Object.prototype.toString.call(data) !== '[object Array]') {
-        data = [data];
-    }
-
     data.forEach(entry => {
         html += `<h1>${entry.word} <span class="pos">(${entry.pos})</span></h1>`
         if('senses' in entry) {
diff --git a/static/schemas/polish.json b/static/schemas/polish.json
index d4324e7..f396012 100644
--- a/static/schemas/polish.json
+++ b/static/schemas/polish.json
@@ -142,6 +142,11 @@
   },
   {
     "pos": "adj",
+    "ignoreUnused": [
+      ["dative", "feminine", "singular"],
+      ["instrumental", "feminine", "singular"],
+      ["locative", "masculine", "neuter", "singular"]
+    ],
     "rows": [
       [
         {