Add various spelling correction for error and variants.

codespell_lib/data/dictionary.txt

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index ce27458..46b918c 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -11347,6 +11347,10 @@
 errrors->errors
 errros->errors
 errupted->erupted
+ertoneous->erroneous
+ertoneously->erroneously
+ertor->error
+ertors->errors
 ervery->every
 erverything->everything
 esacpe->escape
@@ -11433,6 +11437,10 @@
 ethnocentricm->ethnocentrism
 ethose->those, ethos,
 etiher->either
+etroneous->erroneous
+etroneously->erroneously
+etror->error
+etrors->errors
 etsablishment->establishment
 etsbalishment->establishment
 etst->test