diff --git a/apps/client/src/translations/en/translation.json b/apps/client/src/translations/en/translation.json
index b6b8ae6281..4c3a555ef1 100644
--- a/apps/client/src/translations/en/translation.json
+++ b/apps/client/src/translations/en/translation.json
@@ -1500,7 +1500,12 @@
     "description": "These options apply only for desktop builds, browsers will use their own native spell check.",
     "enable": "Check spelling",
     "language_code_label": "Spell Check Languages",
-    "restart-required": "Changes to the spell check options will take effect after application restart."
+    "restart-required": "Changes to the spell check options will take effect after application restart.",
+    "custom_dictionary_title": "Custom Dictionary",
+    "custom_dictionary_description": "Words added to the dictionary are synced across all your devices.",
+    "custom_dictionary_edit": "Custom words",
+    "custom_dictionary_edit_description": "Edit the list of words that should not be flagged by the spell checker. Changes will be visible after a restart.",
+    "custom_dictionary_open": "Edit dictionary"
   },
   "sync_2": {
     "config_title": "Sync Configuration",
diff --git a/apps/client/src/widgets/type_widgets/options/spellcheck.tsx b/apps/client/src/widgets/type_widgets/options/spellcheck.tsx
index 5949e820ce..df79f2402f 100644
--- a/apps/client/src/widgets/type_widgets/options/spellcheck.tsx
+++ b/apps/client/src/widgets/type_widgets/options/spellcheck.tsx
@@ -1,7 +1,9 @@
 import { useCallback, useMemo } from "preact/hooks";
 
+import appContext from "../../../components/app_context";
 import { t } from "../../../services/i18n";
 import { dynamicRequire, isElectron } from "../../../services/utils";
+import Button from "../../react/Button";
 import FormText from "../../react/FormText";
 import FormToggle from "../../react/FormToggle";
 import { useTriliumOption, useTriliumOptionBool } from "../../react/hooks";
@@ -25,19 +27,23 @@ function ElectronSpellcheckSettings() {
     const [ spellCheckEnabled, setSpellCheckEnabled ] = useTriliumOptionBool("spellCheckEnabled");
 
     return (
-        <OptionsSection title={t("spellcheck.title")}>
-            <FormText>{t("spellcheck.restart-required")}</FormText>
+        <>
+            <OptionsSection title={t("spellcheck.title")}>
+                <FormText>{t("spellcheck.restart-required")}</FormText>
 
-            <OptionsRow name="spell-check-enabled" label={t("spellcheck.enable")}>
-                <FormToggle
-                    switchOnName="" switchOffName=""
-                    currentValue={spellCheckEnabled}
-                    onChange={setSpellCheckEnabled}
-                />
-            </OptionsRow>
+                <OptionsRow name="spell-check-enabled" label={t("spellcheck.enable")}>
+                    <FormToggle
+                        switchOnName="" switchOffName=""
+                        currentValue={spellCheckEnabled}
+                        onChange={setSpellCheckEnabled}
+                    />
+                </OptionsRow>
 
-            {spellCheckEnabled && <SpellcheckLanguages />}
-        </OptionsSection>
+                {spellCheckEnabled && <SpellcheckLanguages />}
+            </OptionsSection>
+
+            {spellCheckEnabled && <CustomDictionary />}
+        </>
     );
 }
 
@@ -84,6 +90,27 @@ function SpellcheckLanguages() {
     );
 }
 
+function CustomDictionary() {
+    function openDictionary() {
+        appContext.triggerCommand("openInPopup", { noteIdOrPath: "_customDictionary" });
+    }
+
+    return (
+        <OptionsSection title={t("spellcheck.custom_dictionary_title")}>
+            <FormText>{t("spellcheck.custom_dictionary_description")}</FormText>
+
+            <OptionsRow name="custom-dictionary" label={t("spellcheck.custom_dictionary_edit")} description={t("spellcheck.custom_dictionary_edit_description")}>
+                <Button
+                    name="open-custom-dictionary"
+                    text={t("spellcheck.custom_dictionary_open")}
+                    icon="bx bx-edit"
+                    onClick={openDictionary}
+                />
+            </OptionsRow>
+        </OptionsSection>
+    );
+}
+
 function WebSpellcheckSettings() {
     return (
         <OptionsSection title={t("spellcheck.title")}>