diff --git a/spec/controllers/dictionary_spec.rb b/spec/controllers/dictionary_spec.rb
new file mode 100644
index 0000000..45e6e69
--- /dev/null
+++ b/spec/controllers/dictionary_spec.rb
@@ -0,0 +1,22 @@
+require 'rails_helper'
+
+RSpec.describe DictionaryController, type: :controller do
+  describe "GET :index" do
+    it 'renders the index template' do
+      get :index
+      expect(response).to render_template(:index)
+    end
+    
+    it 'sets @parts_of_speech instance variable' do
+      get :index
+      FactoryBot.create(:part_of_speech)
+      expect(assigns(:parts_of_speech)).to be_a(ActiveRecord::Relation)
+    end
+
+    it 'sets @words instance variable' do
+      get :index
+      FactoryBot.create(:word)
+      expect(assigns(:words)).to be_a(ActiveRecord::Relation)
+    end
+  end
+end
diff --git a/spec/factories/part_of_speech.rb b/spec/factories/part_of_speech.rb
new file mode 100644
index 0000000..4f47522
--- /dev/null
+++ b/spec/factories/part_of_speech.rb
@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :part_of_speech do
+    sequence(:pos) { |n| "test-#{n.to_s}" }
+    definition { "test definition" }
+  end
+end
diff --git a/spec/factories/word.rb b/spec/factories/word.rb
new file mode 100644
index 0000000..b1fc339
--- /dev/null
+++ b/spec/factories/word.rb
@@ -0,0 +1,5 @@
+FactoryBot.define do
+  factory :word do
+    sequence(:word) { |n| "test-#{n.to_s}" }
+  end
+end