diff --git a/acronyms/build.gradle b/acronyms/build.gradle
index d8bda80..91acb7e 100644
--- a/acronyms/build.gradle
+++ b/acronyms/build.gradle
@@ -3,6 +3,7 @@ apply from: '../base.gradle'
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'kotlin-parcelize'
 
 dependencies {
   implementation project(':core')
diff --git a/acronyms/src/main/java/dev/carlos/acronyms/models/AcronymsModels.kt b/acronyms/src/main/java/dev/carlos/acronyms/models/AcronymsModels.kt
new file mode 100644
index 0000000..430f1ed
--- /dev/null
+++ b/acronyms/src/main/java/dev/carlos/acronyms/models/AcronymsModels.kt
@@ -0,0 +1,51 @@
+package dev.carlos.acronyms.models
+
+import android.os.Parcelable
+import androidx.room.Entity
+import androidx.room.Index
+import androidx.room.PrimaryKey
+import androidx.room.TypeConverters
+import com.google.gson.annotations.SerializedName
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+data class ShortformRemote(
+    @SerializedName("sf") val value: String,
+    @SerializedName("lfs") val results: List<LongformRemote>
+) : Parcelable {
+    @Parcelize
+    data class LongformRemote(
+        @SerializedName("lf") val value: String,
+        @SerializedName("freq") val corpusFrequency: Int,
+        @SerializedName("since") val since: Int
+    ) : Parcelable
+}
+
+@Entity(tableName = ShortformEntity.TABLE_NAME, indices = [Index(value = ["value"], unique = true)])
+@TypeConverters(LongformListConverter::class)
+data class ShortformEntity(
+    @PrimaryKey
+    val value: String,
+    val results: List<LongformEntity>
+) {
+    data class LongformEntity(
+        val value: String,
+        val corpusFrequency: Int,
+        val since: Int
+    )
+
+    companion object {
+        const val TABLE_NAME = "shortforms"
+    }
+}
+
+data class ShortformModel(
+    val value: String,
+    val results: List<LongformModel>
+) {
+    data class LongformModel(
+        val value: String,
+        val corpusFrequency: Int,
+        val since: Int
+    )
+}
diff --git a/acronyms/src/main/java/dev/carlos/acronyms/models/Mappers.kt b/acronyms/src/main/java/dev/carlos/acronyms/models/Mappers.kt
new file mode 100644
index 0000000..e6be133
--- /dev/null
+++ b/acronyms/src/main/java/dev/carlos/acronyms/models/Mappers.kt
@@ -0,0 +1,24 @@
+package dev.carlos.acronyms.models
+
+import androidx.room.TypeConverter
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+
+class LongformListConverter {
+    @TypeConverter
+    fun fromString(value: String): List<ShortformEntity.LongformEntity> {
+        val listType = object : TypeToken<List<ShortformEntity.LongformEntity>>() {}.type
+        return Gson().fromJson(value, listType)
+    }
+
+    @TypeConverter
+    fun fromList(list: List<ShortformEntity.LongformEntity>) = Gson().toJson(list)
+}
+
+fun ShortformRemote.toShortformEntity() = ShortformEntity(this.value, this.results.map {
+    ShortformEntity.LongformEntity(it.value, it.corpusFrequency, it.since)
+})
+
+fun ShortformEntity.toShortformModel() = ShortformModel(this.value, this.results.map {
+    ShortformModel.LongformModel(it.value, it.corpusFrequency, it.since)
+})
diff --git a/app/build.gradle b/app/build.gradle
index 0924a2f..ce91a0f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,6 +2,7 @@ apply from: '../versions.gradle'
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'kotlin-parcelize'
 
 android {
   compileSdkVersion build_versions.target_sdk
diff --git a/base.gradle b/base.gradle
index 6b9694a..3ace927 100644
--- a/base.gradle
+++ b/base.gradle
@@ -2,6 +2,7 @@ apply from: '../versions.gradle'
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'kotlin-parcelize'
 
 android {
   compileSdkVersion build_versions.target_sdk
diff --git a/core/build.gradle b/core/build.gradle
index 6372e2c..f47fd63 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -3,6 +3,7 @@ apply from: '../base.gradle'
 apply plugin: 'com.android.library'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
+apply plugin: 'kotlin-parcelize'
 
 dependencies {
   api deps.google.kotlin.std_lib
@@ -15,6 +16,7 @@ dependencies {
   api deps.google.androidx.navigation_fragment
   api deps.google.androidx.navigation_ui
   api deps.google.material.core
+  api deps.google.gson.core
   api deps.core.okhttp.logging_interceptor
   api deps.core.retrofit.runtime
   api deps.core.retrofit.gson
diff --git a/versions.gradle b/versions.gradle
index 9aab55f..ed5da03 100644
--- a/versions.gradle
+++ b/versions.gradle
@@ -11,6 +11,7 @@ versions.androidx_lifecycle = "2.2.0"
 versions.androidx_recycler_view = "1.2.0"
 versions.androidx_navigation = "2.3.5"
 versions.material_core = "1.3.0"
+versions.gson = "2.8.7"
 versions.okhttp_interceptor = "4.9.1"
 versions.retrofit = "2.9.0"
 versions.timber = "4.7.1"
@@ -53,8 +54,12 @@ androidx.navigation_ui = "androidx.navigation:navigation-ui-ktx:$versions.androi
 def material = [:]
 material.core = "com.google.android.material:material:$versions.material_core"
 
+def gson = [:]
+gson.core = "com.google.code.gson:gson:$versions.gson"
+
 def google = [:]
 google.kotlin = kotlin
+google.gson = gson
 google.androidx = androidx
 google.material = material
 deps.google = google