diff --git a/lib/LasTres/Controller/Websocket/InputPacket/Init.pm b/lib/LasTres/Controller/Websocket/InputPacket/Init.pm
index 5549f78..9a3d37e 100644
--- a/lib/LasTres/Controller/Websocket/InputPacket/Init.pm
+++ b/lib/LasTres/Controller/Websocket/InputPacket/Init.pm
@@ -80,6 +80,7 @@ sub handle ( $self, $ws, $session, $data ) {
         clear => $JSON::true,
         $self->_available_actions($pj),
         $self->_npcs($pj),
+        $self->_available_words($pj),
       );
     $info_packet_to_send->send($ws);
     my $redis = LasTres::Redis->new;
@@ -174,10 +175,16 @@ sub _on_redis_event ( $self, $ws, $session, $message, $topic, $topics ) {
     if ( $data->{command} eq 'update-actions' ) {
         LasTres::Controller::Websocket::OutputPacket::Info->new(
             $self->_available_actions($pj),
-            $self->_npcs($pj) )->send($ws);
+            $self->_npcs($pj),
+            $self->_available_words($pj))->send($ws);
     }
 }
 
+sub _available_words($self, $pj) {
+    my $known_words = $pj->known_words_hash_serialized;
+    return ( known_words => $known_words );
+}
+
 sub _available_actions ( $self, $pj ) {
     return ( available_actions =>
           { map { $_->identifier => $_->hash($pj) } $pj->actions->@* }, );
diff --git a/lib/LasTres/Schema/Result/PJ.pm b/lib/LasTres/Schema/Result/PJ.pm
index 0bb0f10..6b8ddb1 100644
--- a/lib/LasTres/Schema/Result/PJ.pm
+++ b/lib/LasTres/Schema/Result/PJ.pm
@@ -147,6 +147,22 @@ sub knows_word ( $self, $word ) {
     return 1;
 }
 
+sub known_words_hash ($self) {
+    $self = $self->get_from_storage;
+    my @words         = $self->known_words;
+    my $words_factory = LasTres::Words->new;
+    my %result_words  = map { ( $_->identifier => $_ ) }
+      map { $words_factory->get( $_->identifier ) } @words;
+    return \%result_words;
+}
+
+sub known_words_hash_serialized ($self) {
+    my %words = %{$self->known_words_hash};
+    my @identifiers = keys %words;
+    %words = map { ($_->identifier => $_->serialize) } @identifiers;
+    return \%words;
+}
+
 sub teach_word ( $self, $word ) {
     require LasTres::Schema;
     my $schema           = LasTres::Schema->Schema;
@@ -155,29 +171,31 @@ sub teach_word ( $self, $word ) {
     if ( !$word->does('LasTres::Word') ) {
         die 'The received word does not implement LasTres::Word.';
     }
-    if ($self->knows_word($word)) {
+    if ( $self->knows_word($word) ) {
         return;
     }
     my $known_word = $result_set_words->new(
         { identifier => $word->identifier, owner => $self->uuid } );
     $known_word->insert_or_update;
     my $team = $self->team;
-    $team->append_log_line([
-        {
-            color => 'green',
-            text => $self->nick,
-        },
-        {
-            text => ' aprendió la palabra '
-        },
-        {
-            color => 'purple',
-            text => $word->name,
-        },
-        {
-            text => '.'
-        }
-    ]);
+    $team->append_log_line(
+        [
+            {
+                color => 'green',
+                text  => $self->nick,
+            },
+            {
+                text => ' aprendió la palabra '
+            },
+            {
+                color => 'purple',
+                text  => $word->name,
+            },
+            {
+                text => '.'
+            }
+        ]
+    );
 
 }
 
@@ -207,7 +225,7 @@ sub set_known_location ( $self, $location ) {
     my $array = $location->to_array;
     my ( $planet, $super_area, $area, $location_id ) = @$array[ 0 .. 3 ];
     my $schema = LasTres::Schema->Schema;
-    if (!$self->knows_location($location)) {
+    if ( !$self->knows_location($location) ) {
         $schema->resultset('PJKnownPlaces')->new(
             {
                 owner      => $self->uuid,
@@ -563,6 +581,7 @@ sub talk_npcs ($self) {
         return {};
     }
     if ( $team->is_moving ) {
+
         # There will be random encounters for
         # some movement frames in certain areas.
         return $self->_npc_list_to_hash( \@npcs );
diff --git a/lib/LasTres/Word.pm b/lib/LasTres/Word.pm
index 4c98bc5..05ecdd3 100644
--- a/lib/LasTres/Word.pm
+++ b/lib/LasTres/Word.pm
@@ -29,4 +29,12 @@ requires qw/name identifier/;
         return $hash{$class};
     }
 }
+
+## DO NOT EXTEND NOT SUPPORTED.
+sub serialize ($self) {
+    return {
+        name       => $self->name,
+        identifier => $self->identifier,
+    };
+}
 1;
diff --git a/lib/LasTres/Words.pm b/lib/LasTres/Words.pm
index e9fa56f..4ac59ad 100644
--- a/lib/LasTres/Words.pm
+++ b/lib/LasTres/Words.pm
@@ -15,18 +15,20 @@ use Module::Pluggable search_path => ['LasTres::Word'],
         die $error;
     };
 
-has hash => (
-    is => 'rw',
-    lazy => 1,
-    builder => \&_build_hash,
-);
-
-sub _build_hash($self) {
-    my @words = $self->plugins();
+{
     my %hash;
-    for my $word (@words) {
-        $hash{$word->identifier} = $word;
+    sub hash($self) {
+        if (!scalar %hash) {
+            my @words = $self->plugins();
+            for my $word (@words) {
+                $hash{$word->identifier} = $word;
+            }
+        }
+        return {%hash};
     }
-    return \%hash;
+}
+
+sub get($self, $identifier) {
+    return $self->hash->{$identifier};
 }
 1;
diff --git a/t/02-words.t b/t/02-words.t
new file mode 100644
index 0000000..74f7684
--- /dev/null
+++ b/t/02-words.t
@@ -0,0 +1,31 @@
+#!/usr/bin/env perl
+
+use v5.36.0;
+use strict;
+use warnings;
+
+use feature 'signatures';
+
+use Scalar::Util qw/blessed/;
+
+use Test::Most qw/bail no_plan/;
+
+{
+    use_ok 'LasTres::Words';
+}
+
+{
+    my $words_factory = LasTres::Words->new;
+    my $words = $words_factory->hash;
+    for my $identifier (keys %$words) {
+        my $word = $words->{$identifier};
+        test_word($word);
+    }
+}
+
+sub test_word($word) {
+    ok $word->does('LasTres::Word'), (blessed $word)
+        . ' implements LasTres::Word.';
+    ok defined $word->name, (blessed $word) . ' has name.';
+    ok defined $word->identifier, (blessed $word) . ' has identifier.';
+}