diff --git a/sql/initdb_master.sql b/sql/initdb_master.sql
index aa80be65..9ed39582 100644
--- a/sql/initdb_master.sql
+++ b/sql/initdb_master.sql
@@ -279,7 +279,7 @@ CREATE TABLE DBPREFIXfilter_boards(
 	board_id {fk to serial} NOT NULL,
 	CONSTRAINT filter_boards_filter_id_fk
 		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
-		ON DELETE CASCADE
+		ON DELETE CASCADE,
 	CONSTRAINT filter_boards_board_id_fk
 		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
 		ON DELETE CASCADE
@@ -325,7 +325,7 @@ CREATE TABLE DBPREFIXwordfilter_boards(
 	board_id {fk to serial} NOT NULL,
 	CONSTRAINT wordfilter_boards_filter_id_fk
 		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
-		ON DELETE CASCADE
+		ON DELETE CASCADE,
 	CONSTRAINT wordfilter_boards_board_id_fk
 		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
 		ON DELETE CASCADE
diff --git a/sql/initdb_mysql.sql b/sql/initdb_mysql.sql
index 2eb9393d..87f45b88 100644
--- a/sql/initdb_mysql.sql
+++ b/sql/initdb_mysql.sql
@@ -279,7 +279,7 @@ CREATE TABLE DBPREFIXfilter_boards(
 	board_id BIGINT NOT NULL,
 	CONSTRAINT filter_boards_filter_id_fk
 		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
-		ON DELETE CASCADE
+		ON DELETE CASCADE,
 	CONSTRAINT filter_boards_board_id_fk
 		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
 		ON DELETE CASCADE
@@ -306,5 +306,30 @@ CREATE TABLE DBPREFIXfilter_hits(
 		ON DELETE CASCADE
 );
 
+CREATE TABLE DBPREFIXwordfilters(
+	id BIGINT NOT NULL AUTO_INCREMENT UNIQUE PRIMARY KEY,
+	staff_id BIGINT NOT NULL,
+	staff_note VARCHAR(255) NOT NULL,
+	issued_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	search VARCHAR(75) NOT NULL,
+	is_regex BOOL NOT NULL,
+	change_to VARCHAR(75) NOT NULL,
+	CONSTRAINT wordfilters_staff_id_fk
+		FOREIGN KEY(staff_id) REFERENCES DBPREFIXstaff(id),
+	CONSTRAINT wordfilters_search_check CHECK (search <> '')
+);
+
+CREATE TABLE DBPREFIXwordfilter_boards(
+	id BIGINT NOT NULL AUTO_INCREMENT UNIQUE PRIMARY KEY,
+	filter_id BIGINT NOT NULL,
+	board_id BIGINT NOT NULL,
+	CONSTRAINT wordfilter_boards_filter_id_fk
+		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
+		ON DELETE CASCADE,
+	CONSTRAINT wordfilter_boards_board_id_fk
+		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
+		ON DELETE CASCADE
+);
+
 INSERT INTO DBPREFIXdatabase_version(component, version)
 	VALUES('gochan', 3);
diff --git a/sql/initdb_postgres.sql b/sql/initdb_postgres.sql
index e3901562..6359684f 100644
--- a/sql/initdb_postgres.sql
+++ b/sql/initdb_postgres.sql
@@ -279,7 +279,7 @@ CREATE TABLE DBPREFIXfilter_boards(
 	board_id BIGINT NOT NULL,
 	CONSTRAINT filter_boards_filter_id_fk
 		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
-		ON DELETE CASCADE
+		ON DELETE CASCADE,
 	CONSTRAINT filter_boards_board_id_fk
 		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
 		ON DELETE CASCADE
@@ -306,5 +306,30 @@ CREATE TABLE DBPREFIXfilter_hits(
 		ON DELETE CASCADE
 );
 
+CREATE TABLE DBPREFIXwordfilters(
+	id BIGSERIAL PRIMARY KEY,
+	staff_id BIGINT NOT NULL,
+	staff_note VARCHAR(255) NOT NULL,
+	issued_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	search VARCHAR(75) NOT NULL,
+	is_regex BOOL NOT NULL,
+	change_to VARCHAR(75) NOT NULL,
+	CONSTRAINT wordfilters_staff_id_fk
+		FOREIGN KEY(staff_id) REFERENCES DBPREFIXstaff(id),
+	CONSTRAINT wordfilters_search_check CHECK (search <> '')
+);
+
+CREATE TABLE DBPREFIXwordfilter_boards(
+	id BIGSERIAL PRIMARY KEY,
+	filter_id BIGINT NOT NULL,
+	board_id BIGINT NOT NULL,
+	CONSTRAINT wordfilter_boards_filter_id_fk
+		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
+		ON DELETE CASCADE,
+	CONSTRAINT wordfilter_boards_board_id_fk
+		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
+		ON DELETE CASCADE
+);
+
 INSERT INTO DBPREFIXdatabase_version(component, version)
 	VALUES('gochan', 3);
diff --git a/sql/initdb_sqlite3.sql b/sql/initdb_sqlite3.sql
index 0d4753fb..c219131a 100644
--- a/sql/initdb_sqlite3.sql
+++ b/sql/initdb_sqlite3.sql
@@ -279,7 +279,7 @@ CREATE TABLE DBPREFIXfilter_boards(
 	board_id BIGINT NOT NULL,
 	CONSTRAINT filter_boards_filter_id_fk
 		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
-		ON DELETE CASCADE
+		ON DELETE CASCADE,
 	CONSTRAINT filter_boards_board_id_fk
 		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
 		ON DELETE CASCADE
@@ -306,5 +306,30 @@ CREATE TABLE DBPREFIXfilter_hits(
 		ON DELETE CASCADE
 );
 
+CREATE TABLE DBPREFIXwordfilters(
+	id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+	staff_id BIGINT NOT NULL,
+	staff_note VARCHAR(255) NOT NULL,
+	issued_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	search VARCHAR(75) NOT NULL,
+	is_regex BOOL NOT NULL,
+	change_to VARCHAR(75) NOT NULL,
+	CONSTRAINT wordfilters_staff_id_fk
+		FOREIGN KEY(staff_id) REFERENCES DBPREFIXstaff(id),
+	CONSTRAINT wordfilters_search_check CHECK (search <> '')
+);
+
+CREATE TABLE DBPREFIXwordfilter_boards(
+	id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+	filter_id BIGINT NOT NULL,
+	board_id BIGINT NOT NULL,
+	CONSTRAINT wordfilter_boards_filter_id_fk
+		FOREIGN KEY(filter_id) REFERENCES DBPREFIXfilters(id)
+		ON DELETE CASCADE,
+	CONSTRAINT wordfilter_boards_board_id_fk
+		FOREIGN KEY(board_id) REFERENCES DBPREFIXboards(id)
+		ON DELETE CASCADE
+);
+
 INSERT INTO DBPREFIXdatabase_version(component, version)
 	VALUES('gochan', 3);