diff --git a/src/things/abstract/academic-term.ts b/src/things/abstract/academic-term.ts
index d46322d5..f6210f9d 100644
--- a/src/things/abstract/academic-term.ts
+++ b/src/things/abstract/academic-term.ts
@@ -25,6 +25,7 @@ export interface SCAcademicTermWithoutReferences
    * Short name of the academic term, using the given pattern
    *
    * @aggregatable
+   * @filterable
    * @keyword
    */
   acronym: string;
diff --git a/src/things/abstract/creative-work.ts b/src/things/abstract/creative-work.ts
index d0265224..703cd851 100644
--- a/src/things/abstract/creative-work.ts
+++ b/src/things/abstract/creative-work.ts
@@ -44,6 +44,7 @@ export interface SCCreativeWorkWithoutReferences
    * Keywords of the creative work
    *
    * @aggregatable
+   * @filterable
    * @keyword
    */
   keywords?: string[];
diff --git a/src/things/abstract/thing-with-categories.ts b/src/things/abstract/thing-with-categories.ts
index 0b75f3bf..a61ae394 100644
--- a/src/things/abstract/thing-with-categories.ts
+++ b/src/things/abstract/thing-with-categories.ts
@@ -29,6 +29,7 @@ export interface SCThingWithCategoriesWithoutReferences<T, U extends SCThingWith
    *
    * @sortable ducet
    * @aggregatable
+   * @filterable
    */
   categories: T[];
 
diff --git a/src/things/abstract/thing.ts b/src/things/abstract/thing.ts
index 26369fdf..ebcbc248 100644
--- a/src/things/abstract/thing.ts
+++ b/src/things/abstract/thing.ts
@@ -89,6 +89,7 @@ export interface SCThingWithoutReferences {
    * Type of the thing
    *
    * @sortable ducet
+   * @filterable
    * @aggregatable
    */
   type: SCThingType;
diff --git a/src/things/academic-event.ts b/src/things/academic-event.ts
index 81a19b64..2f02d96d 100644
--- a/src/things/academic-event.ts
+++ b/src/things/academic-event.ts
@@ -33,6 +33,7 @@ export interface SCAcademicEventWithoutReferences
    * Majors of the academic event that this event belongs to
    *
    * @aggregatable
+   * @filterable
    * @keyword
    */
   majors?: string[];
diff --git a/src/things/building.ts b/src/things/building.ts
index 26f188b7..08c66682 100644
--- a/src/things/building.ts
+++ b/src/things/building.ts
@@ -46,6 +46,7 @@ export interface SCBuildingWithoutReferences
    *
    * @sortable ducet
    * @aggregatable
+   * @filterable
    */
   categories: SCBuildingCategories[];
 
diff --git a/src/things/dish.ts b/src/things/dish.ts
index 5c26de99..2fca8d8f 100644
--- a/src/things/dish.ts
+++ b/src/things/dish.ts
@@ -47,6 +47,7 @@ export interface SCDishWithoutReferences
    *
    * @sortable ducet
    * @aggregatable
+   * @filterable
    */
   categories: SCDishCategories[];