diff --git a/keywords.md b/keywords.md
index 4c5d0b3b220fb..fbbb89ac377cb 100644
--- a/keywords.md
+++ b/keywords.md
@@ -79,9 +79,12 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - ANALYZE (R)
 - AND (R)
 - ANY
+- ARRAY (R)
 - AS (R)
 - ASC (R)
 - ASCII
+- ATTRIBUTE
+- ATTRIBUTES
 - AUTO_ID_CACHE
 - AUTO_INCREMENT
 - AUTO_RANDOM
@@ -95,11 +98,13 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - BACKUP
 - BACKUPS
 - BEGIN
+- BERNOULLI
 - BETWEEN (R)
 - BIGINT (R)
 - BINARY (R)
 - BINDING
 - BINDINGS
+- BINDING_CACHE
 - BINLOG
 - BIT
 - BLOB (R)
@@ -116,11 +121,14 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 <a id="C" class="letter" href="#C">C</a>
 
 - CACHE
+- CALIBRATE
+- CALL (R)
 - CANCEL (R)
 - CAPTURE
 - CASCADE (R)
 - CASCADED
 - CASE (R)
+- CAUSAL
 - CHAIN
 - CHANGE (R)
 - CHAR (R)
@@ -132,6 +140,9 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - CIPHER
 - CLEANUP
 - CLIENT
+- CLIENT_ERRORS_SUMMARY
+- CLUSTER
+- CLUSTERED
 - CMSKETCH (R)
 - COALESCE
 - COLLATE (R)
@@ -148,6 +159,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - CONCURRENCY
 - CONFIG
 - CONNECTION
+- CONSISTENCY
 - CONSISTENT
 - CONSTRAINT (R)
 - CONTEXT
@@ -195,8 +207,10 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - DEPTH (R)
 - DESC (R)
 - DESCRIBE (R)
+- DIGEST
 - DIRECTORY
 - DISABLE
+- DISABLED
 - DISCARD
 - DISK
 - DISTINCT (R)
@@ -214,6 +228,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 
 - ELSE (R)
 - ENABLE
+- ENABLED
 - ENCLOSED (R)
 - ENCRYPTION
 - END
@@ -240,8 +255,10 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 
 <a id="F" class="letter" href="#F">F</a>
 
+- FAILED_LOGIN_ATTEMPTS
 - FALSE (R)
 - FAULTS
+- FETCH (R)
 - FIELDS
 - FILE
 - FIRST
@@ -273,7 +290,9 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 
 - HASH
 - HAVING (R)
+- HELP
 - HIGH_PRIORITY (R)
+- HISTOGRAM
 - HISTORY
 - HOSTS
 - HOUR
@@ -286,6 +305,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - IDENTIFIED
 - IF (R)
 - IGNORE (R)
+- ILIKE (R)
 - IMPORT
 - IMPORTS
 - IN (R)
@@ -305,6 +325,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - INT4 (R)
 - INT8 (R)
 - INTEGER (R)
+- INTERSECT (R)
 - INTERVAL (R)
 - INTO (R)
 - INVISIBLE
@@ -354,6 +375,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - LOCALTIMESTAMP (R)
 - LOCATION
 - LOCK (R)
+- LOCKED
 - LOGS
 - LONG (R)
 - LONGBLOB (R)
@@ -376,6 +398,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - MEDIUMBLOB (R)
 - MEDIUMINT (R)
 - MEDIUMTEXT (R)
+- MEMBER
 - MEMORY
 - MERGE
 - MICROSECOND
@@ -406,6 +429,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - NODE_STATE (R)
 - NOMAXVALUE
 - NOMINVALUE
+- NONCLUSTERED
 - NONE
 - NOT (R)
 - NOWAIT
@@ -419,7 +443,12 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 
 <a id="O" class="letter" href="#O">O</a>
 
+- OF (R)
+- OFF
 - OFFSET
+- OLTP_READ_ONLY
+- OLTP_READ_WRITE
+- OLTP_WRITE_ONLY
 - ON (R)
 - ONLINE
 - ONLY
@@ -428,6 +457,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - OPTIMISTIC (R)
 - OPTIMIZE (R)
 - OPTION (R)
+- OPTIONAL
 - OPTIONALLY (R)
 - OR (R)
 - ORDER (R)
@@ -445,15 +475,21 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - PARTITIONING
 - PARTITIONS
 - PASSWORD
+- PASSWORD_LOCK_TIME
+- PAUSE
+- PERCENT
 - PERCENT_RANK (R-Window)
 - PER_DB
 - PER_TABLE
 - PESSIMISTIC (R)
 - PLACEMENT (S)
 - PLUGINS
+- POINT
+- POLICY
 - PRECEDING
 - PRECISION (R)
 - PREPARE
+- PRESERVE
 - PRE_SPLIT_REGIONS
 - PRIMARY (R)
 - PRIVILEGES
@@ -462,7 +498,9 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - PROCESSLIST
 - PROFILE
 - PROFILES
+- PROXY
 - PUMP (R)
+- PURGE
 
 <a id="Q" class="letter" href="#Q">Q</a>
 
@@ -480,6 +518,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - REAL (R)
 - REBUILD
 - RECOVER
+- RECURSIVE (R)
 - REDUNDANT
 - REFERENCES (R)
 - REGEXP (R)
@@ -495,12 +534,18 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - REPEATABLE
 - REPLACE (R)
 - REPLICA
+- REPLICAS
 - REPLICATION
 - REQUIRE (R)
+- REQUIRED
+- RESOURCE
 - RESPECT
+- RESTART
 - RESTORE
 - RESTORES
 - RESTRICT (R)
+- RESUME
+- REUSE
 - REVERSE
 - REVOKE (R)
 - RIGHT (R)
@@ -518,6 +563,8 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 <a id="S" class="letter" href="#S">S</a>
 
 - SAMPLES (R)
+- SAN
+- SAVEPOINT
 - SECOND
 - SECONDARY_ENGINE
 - SECONDARY_LOAD
@@ -540,6 +587,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - SHUTDOWN
 - SIGNED
 - SIMPLE
+- SKIP
 - SKIP_SCHEMA_FILES
 - SLAVE
 - SLOW
@@ -570,11 +618,16 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - STATS (R)
 - STATS_AUTO_RECALC
 - STATS_BUCKETS (R)
+- STATS_COL_CHOICE
+- STATS_COL_LIST
+- STATS_EXTENDED (R)
 - STATS_HEALTHY (R)
 - STATS_HISTOGRAMS (R)
 - STATS_META (R)
+- STATS_OPTIONS
 - STATS_PERSISTENT
 - STATS_SAMPLE_PAGES
+- STATS_SAMPLE_RATE
 - STATUS
 - STORAGE
 - STORED (R)
@@ -586,12 +639,14 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - SUPER
 - SWAPS
 - SWITCHES
+- SYSTEM
 - SYSTEM_TIME
 
 <a id="T" class="letter" href="#T">T</a>
 
 - TABLE (R)
 - TABLES
+- TABLESAMPLE (R)
 - TABLESPACE
 - TABLE_CHECKSUM
 - TEMPORARY
@@ -611,6 +666,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - TO (R)
 - TOKEN_ISSUER
 - TOPN (R)
+- TPCC
 - TRACE
 - TRADITIONAL
 - TRAILING (R)
@@ -619,7 +675,11 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - TRIGGERS
 - TRUE (R)
 - TRUNCATE
+- TTL
+- TTL_ENABLE
+- TTL_JOB_INTERVAL
 - TYPE
+- TiDB_CURRENT_TSO (R)
 
 <a id="U" class="letter" href="#U">U</a>
 
@@ -657,6 +717,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 
 <a id="W" class="letter" href="#W">W</a>
 
+- WAIT
 - WARNINGS
 - WEEK
 - WEIGHT_STRING
@@ -666,6 +727,7 @@ The following list shows the keywords in TiDB. Reserved keywords are marked with
 - WINDOW (R-Window)
 - WITH (R)
 - WITHOUT
+- WORKLOAD
 - WRITE (R)
 
 <a id="X" class="letter" href="#X">X</a>
diff --git a/scripts/check-keywords.sh b/scripts/check-keywords.sh
new file mode 100755
index 0000000000000..c3ee221d5f335
--- /dev/null
+++ b/scripts/check-keywords.sh
@@ -0,0 +1,48 @@
+#!/bin/python3
+import re
+import sys
+from pathlib import Path
+
+parser = Path("../tidb/parser/parser.y")
+if not parser.exists():
+    sys.exit(f"{parser} doesn't exist")
+
+kwdocs = Path("keywords.md")
+if not parser.exists():
+    sys.exit(f"{kwdocs} doesn't exist")
+
+keywords = kwdocs.read_text()
+
+errors = 0
+section = "Unknown"
+for line in parser.read_text().split("\n"):
+    if line.find("The following tokens belong to ReservedKeyword") >= 0:
+        section = "ReservedKeyword"
+
+    if line.find("The following tokens belong to UnReservedKeyword") >= 0:
+        section = "UnReservedKeyword"
+
+    if line.find("The following tokens belong to NotKeywordToken") >= 0:
+        section = "NotKeywordToken"
+
+    if section == "ReservedKeyword":
+        if m := re.match(r'^\t\w+\s+"(\w+)"$', line):
+            kw = m.groups()[0]
+            if not (
+                kwm := re.search(f"^- {kw} \((R|R-Window)\)$", keywords, re.MULTILINE)
+            ):
+                if kwm := re.search(f"^- {kw}$", keywords, re.MULTILINE):
+                    print(f"Keyword not labeled as reserved: {kw}")
+                    errors += 1
+                else:
+                    print(f"Missing docs for reserved keyword: {kw}")
+                    errors += 1
+
+    if section == "UnReservedKeyword":
+        if m := re.match(r'^\t\w+\s+"(\w+)"$', line):
+            kw = m.groups()[0]
+            if not (kwm := re.search(f"^- {kw}$", keywords, re.MULTILINE)):
+                print(f"Missing docs for non-reserved keyword: {kw}")
+                errors += 1
+
+sys.exit(errors)