diff --git a/homeassistant/components/coinbase/config_flow.py b/homeassistant/components/coinbase/config_flow.py
index 37311bbd1af..ea54c955236 100644
--- a/homeassistant/components/coinbase/config_flow.py
+++ b/homeassistant/components/coinbase/config_flow.py
@@ -85,12 +85,12 @@ async def validate_options(
     if CONF_CURRENCIES in options:
         for currency in options[CONF_CURRENCIES]:
             if currency not in accounts_currencies:
-                raise CurrencyUnavaliable
+                raise CurrencyUnavailable
 
     if CONF_EXCHANGE_RATES in options:
         for rate in options[CONF_EXCHANGE_RATES]:
             if rate not in available_rates[API_RATES]:
-                raise ExchangeRateUnavaliable
+                raise ExchangeRateUnavailable
 
     return True
 
@@ -191,10 +191,10 @@ class OptionsFlowHandler(config_entries.OptionsFlow):
 
             try:
                 await validate_options(self.hass, self.config_entry, user_input)
-            except CurrencyUnavaliable:
-                errors["base"] = "currency_unavaliable"
-            except ExchangeRateUnavaliable:
-                errors["base"] = "exchange_rate_unavaliable"
+            except CurrencyUnavailable:
+                errors["base"] = "currency_unavailable"
+            except ExchangeRateUnavailable:
+                errors["base"] = "exchange_rate_unavailable"
             except Exception:  # pylint: disable=broad-except
                 _LOGGER.exception("Unexpected exception")
                 errors["base"] = "unknown"
@@ -243,9 +243,9 @@ class AlreadyConfigured(exceptions.HomeAssistantError):
     """Error to indicate Coinbase API Key is already configured."""
 
 
-class CurrencyUnavaliable(exceptions.HomeAssistantError):
+class CurrencyUnavailable(exceptions.HomeAssistantError):
     """Error to indicate the requested currency resource is not provided by the API."""
 
 
-class ExchangeRateUnavaliable(exceptions.HomeAssistantError):
+class ExchangeRateUnavailable(exceptions.HomeAssistantError):
     """Error to indicate the requested exchange rate resource is not provided by the API."""
diff --git a/homeassistant/components/coinbase/strings.json b/homeassistant/components/coinbase/strings.json
index 3e0b986365c..23602e79f1e 100644
--- a/homeassistant/components/coinbase/strings.json
+++ b/homeassistant/components/coinbase/strings.json
@@ -34,8 +34,8 @@
     },
     "error": {
       "unknown": "[%key:common::config_flow::error::unknown%]",
-      "currency_unavaliable": "One or more of the requested currency balances is not provided by your Coinbase API.",
-      "exchange_rate_unavaliable": "One or more of the requested exchange rates is not provided by Coinbase."
+      "currency_unavailable": "One or more of the requested currency balances is not provided by your Coinbase API.",
+      "exchange_rate_unavailable": "One or more of the requested exchange rates is not provided by Coinbase."
     }
   }
 }
\ No newline at end of file
diff --git a/homeassistant/components/coinbase/translations/en.json b/homeassistant/components/coinbase/translations/en.json
index 023dc37298f..494703aea57 100644
--- a/homeassistant/components/coinbase/translations/en.json
+++ b/homeassistant/components/coinbase/translations/en.json
@@ -25,8 +25,8 @@
     },
     "options": {
         "error": {
-            "currency_unavaliable": "One or more of the requested currency balances is not provided by your Coinbase API.",
-            "exchange_rate_unavaliable": "One or more of the requested exchange rates is not provided by Coinbase.",
+            "currency_unavailable": "One or more of the requested currency balances is not provided by your Coinbase API.",
+            "exchange_rate_unavailable": "One or more of the requested exchange rates is not provided by Coinbase.",
             "unknown": "Unexpected error"
         },
         "step": {
diff --git a/tests/components/coinbase/common.py b/tests/components/coinbase/common.py
index 231a5128585..10d6e2a2c35 100644
--- a/tests/components/coinbase/common.py
+++ b/tests/components/coinbase/common.py
@@ -44,7 +44,7 @@ class MockGetAccounts:
 
 
 def mocked_get_accounts(_, **kwargs):
-    """Return simplied accounts using mock."""
+    """Return simplified accounts using mock."""
     return MockGetAccounts(**kwargs)
 
 
diff --git a/tests/components/coinbase/test_config_flow.py b/tests/components/coinbase/test_config_flow.py
index fff03797fbb..3eac65e04e2 100644
--- a/tests/components/coinbase/test_config_flow.py
+++ b/tests/components/coinbase/test_config_flow.py
@@ -241,7 +241,7 @@ async def test_form_bad_account_currency(hass):
         )
 
     assert result2["type"] == "form"
-    assert result2["errors"] == {"base": "currency_unavaliable"}
+    assert result2["errors"] == {"base": "currency_unavailable"}
 
 
 async def test_form_bad_exchange_rate(hass):
@@ -266,7 +266,7 @@ async def test_form_bad_exchange_rate(hass):
             },
         )
     assert result2["type"] == "form"
-    assert result2["errors"] == {"base": "exchange_rate_unavaliable"}
+    assert result2["errors"] == {"base": "exchange_rate_unavailable"}
 
 
 async def test_option_catch_all_exception(hass):