diff --git a/sopel_SpiceBot_Core_1/SBCore/commands/__init__.py b/sopel_SpiceBot_Core_1/SBCore/commands/__init__.py
index 18aa037..785e3a2 100644
--- a/sopel_SpiceBot_Core_1/SBCore/commands/__init__.py
+++ b/sopel_SpiceBot_Core_1/SBCore/commands/__init__.py
@@ -1,4 +1,6 @@
 
+from operator import itemgetter
+from difflib import SequenceMatcher
 
 from sopel.trigger import PreTrigger
 
@@ -140,6 +142,22 @@ class Commands():
         else:
             return "rule"
 
+    def search_similar_commands(self, searchitem):
+
+        sim_listitems, sim_num = [], []
+        command_types = ["command", "nickname_command", "action_command"]
+        searchlists = [self.valid_sopel_commands, self.valid_sopel_nickname_commands, self.valid_sopel_action_commands]
+        for command_type, searchlist in zip(command_types, searchlists):
+            for listitem in searchlist:
+                similarlevel = SequenceMatcher(None, searchitem.lower(), listitem.lower()).ratio()
+                if similarlevel >= .75:
+                    # command_type
+                    sim_listitems.append(listitem)
+                    sim_num.append(similarlevel)
+
+        if len(sim_listitems) and len(sim_num):
+            sim_num, sim_listitems = (list(x) for x in zip(*sorted(zip(sim_num, sim_listitems), key=itemgetter(0))))
+
     def is_real_command(self, trigger_dict):
 
         if trigger_dict["trigger_type"] == "command":
diff --git a/sopel_SpiceBot_Core_Prerun/__init__.py b/sopel_SpiceBot_Core_Prerun/__init__.py
index 28f3278..3be082b 100644
--- a/sopel_SpiceBot_Core_Prerun/__init__.py
+++ b/sopel_SpiceBot_Core_Prerun/__init__.py
@@ -48,7 +48,11 @@ def prerun():
 
             # The command is not valid
             if comrun.is_catchall and not comrun.is_real_command:
-                bot.say("Invalid command: %s" % comrun.command["trigger_command"])
+                valid_command_results = sb.commands.search_similar_commands(comrun.command["trigger_command"])
+                if not len(valid_command_results):
+                    comrun.osd("%s does not appear to be a valid command." % comrun.command["trigger_command"])
+                else:
+                    comrun.osd("%s does not appear to be a valid command. Possible Matches: %s" % (comrun.command["trigger_command"], valid_command_results))
                 return
 
             # At this point, we update the re.match for trigger