diff --git a/NEWS b/NEWS
index 1efb6e98e..7a69e256b 100644
--- a/NEWS
+++ b/NEWS
@@ -2643,7 +2643,7 @@ Noteworthy changes in version 1.9.2 (2003-11-17)
    command but from the menu provided by the new --card-edit command.
 
  * PINs are now properly cached and there are only 2 PINs visible.
-   The 3rd PIN (CHV2) is internally syncronized with the regular PIN.
+   The 3rd PIN (CHV2) is internally synchronized with the regular PIN.
 
  * All kind of other internal stuff.
 
diff --git a/agent/gpg-agent.c b/agent/gpg-agent.c
index 87656a1f3..793fc44eb 100644
--- a/agent/gpg-agent.c
+++ b/agent/gpg-agent.c
@@ -2115,7 +2115,7 @@ get_agent_scd_notify_event (void)
                                  GetCurrentProcess(), &h2,
                                  EVENT_MODIFY_STATE|SYNCHRONIZE, TRUE, 0))
         {
-          log_error ("setting syncronize for scd notify event failed: %s\n",
+          log_error ("setting synchronize for scd notify event failed: %s\n",
                      w32_strerror (-1) );
           CloseHandle (h);
         }
diff --git a/g10/cpr.c b/g10/cpr.c
index 3d39d6bda..d502e8b52 100644
--- a/g10/cpr.c
+++ b/g10/cpr.c
@@ -62,7 +62,7 @@ progress_cb (void *ctx, const char *what, int printchar,
 
 
 /* Return true if the status message NO may currently be issued.  We
-   need this to avoid syncronisation problem while auto retrieving a
+   need this to avoid synchronization problem while auto retrieving a
    key.  There it may happen that a status NODATA is issued for a non
    available key and the user may falsely interpret this has a missing
    signature. */
diff --git a/kbx/keybox-blob.c b/kbx/keybox-blob.c
index 687421219..ac259eabe 100644
--- a/kbx/keybox-blob.c
+++ b/kbx/keybox-blob.c
@@ -116,7 +116,7 @@
                            Note that this value matches TRUST_FLAG_REVOKED
    - u16  RFU
    - u32  Recheck_after
-   - u32  Latest timestamp in the keyblock (useful for KS syncronsiation?)
+   - u32  Latest timestamp in the keyblock (useful for KS synchronization?)
    - u32  Blob created at
    - u32  [NRES] Size of reserved space (not including this field)
    - bN   Reserved space of size NRES for future use.
@@ -126,7 +126,7 @@
    - bN   Space for the keyblock or certificate.
    - bN   RFU.  This is the remaining space after keyblock and before
           the checksum.  It is not covered by the checksum.
-   - b20  SHA-1 checksum (useful for KS syncronisation?)
+   - b20  SHA-1 checksum (useful for KS synchronization?)
           Note, that KBX versions before GnuPG 2.1 used an MD5
           checksum.  However it was only created but never checked.
           Thus we do not expect problems if we switch to SHA-1.  If
diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c
index 6c01f3a0d..66b7bd1ee 100644
--- a/scd/app-openpgp.c
+++ b/scd/app-openpgp.c
@@ -640,7 +640,7 @@ count_bits (const unsigned char *a, size_t len)
     Where FLAGS is a plain hexadecimal number representing flag values.
     The lsb is here the rightmost bit.  Defined flags bits are:
 
-      Bit 0 = CHV1 and CHV2 are not syncronized
+      Bit 0 = CHV1 and CHV2 are not synchronized
       Bit 1 = CHV2 has been set to the default PIN of "123456"
               (this implies that bit 0 is also set).
 
diff --git a/scd/ccid-driver.c b/scd/ccid-driver.c
index 5bab0b176..d7b6b5a4e 100644
--- a/scd/ccid-driver.c
+++ b/scd/ccid-driver.c
@@ -2979,7 +2979,7 @@ ccid_transceive_apdu_level (ccid_driver_t handle,
       bit 7    1
       bit 6    1
       bit 5    clear=request,set=response
-      bit 4..0  0 = resyncronisation request
+      bit 4..0  0 = resynchronization request
                 1 = information field size request
                 2 = abort request
                 3 = extension of BWT request