diff --git a/src/Mod/Fem/femobjects/_FemSolverCalculix.py b/src/Mod/Fem/femobjects/_FemSolverCalculix.py
index bc87859c11..53ed3a5ebd 100644
--- a/src/Mod/Fem/femobjects/_FemSolverCalculix.py
+++ b/src/Mod/Fem/femobjects/_FemSolverCalculix.py
@@ -93,8 +93,8 @@ class _FemSolverCalculix():
             "Fem",
             "Number of modes for frequency calculations"
         )
-        noe = ccx_prefs.GetInt("EigenmodesCount", 10)
-        obj.EigenmodesCount = (noe, 1, 100, 1)
+        noem = ccx_prefs.GetInt("EigenmodesCount", 10)
+        obj.EigenmodesCount = (noem, 1, 100, 1)
 
         obj.addProperty(
             "App::PropertyFloatConstraint",
diff --git a/src/Mod/Fem/femsolver/calculix/solver.py b/src/Mod/Fem/femsolver/calculix/solver.py
index 8394a0f515..e1350aa98a 100644
--- a/src/Mod/Fem/femsolver/calculix/solver.py
+++ b/src/Mod/Fem/femsolver/calculix/solver.py
@@ -102,8 +102,8 @@ class Proxy(solverbase.Proxy):
             "Fem",
             "Number of modes for frequency calculations"
         )
-        noe = ccx_prefs.GetInt("EigenmodesCount", 10)
-        obj.EigenmodesCount = (noe, 1, 100, 1)
+        noem = ccx_prefs.GetInt("EigenmodesCount", 10)
+        obj.EigenmodesCount = (noem, 1, 100, 1)
 
         obj.addProperty(
             "App::PropertyFloatConstraint",
diff --git a/src/Mod/Fem/femsolver/writerbase.py b/src/Mod/Fem/femsolver/writerbase.py
index 5d74c4fa9a..7900cf4e6a 100644
--- a/src/Mod/Fem/femsolver/writerbase.py
+++ b/src/Mod/Fem/femsolver/writerbase.py
@@ -108,7 +108,7 @@ class FemInputWriter():
             self.femmesh = self.mesh_object.FemMesh
         else:
             FreeCAD.Console.PrintError(
-                "No finite elemente mesh object was given to the writer class. "
+                "No finite element mesh object was given to the writer class. "
                 "In rare cases this might not be an error.\n")
         self.femnodes_mesh = {}
         self.femelement_table = {}
diff --git a/src/Mod/Fem/femsolver/z88/writer.py b/src/Mod/Fem/femsolver/z88/writer.py
index 7aa830519f..57ac8be2f6 100644
--- a/src/Mod/Fem/femsolver/z88/writer.py
+++ b/src/Mod/Fem/femsolver/z88/writer.py
@@ -124,7 +124,7 @@ class FemInputWriterZ88(FemInputWriter.FemInputWriter):
         z8801 = {"INTORD": "2", "INTOS": "2", "IHFLAG": "0", "ISFLAG": "1"}  # hexa8 --> volume1
         z8810 = {"INTORD": "3", "INTOS": "0", "IHFLAG": "0", "ISFLAG": "0"}  # hexa20 --> volume10
         param = {4: z8804, 24: z8824, 23: z8823, 17: z8817, 16: z8816, 1: z8801, 10: z8810}
-        # elemente 17, 16, 10, INTORD etc ... testen !!!
+        # TODO: test elements 17, 16, 10, INTORD etc
         self.z88_element_type = importZ88Mesh.get_z88_element_type(
             self.femmesh,
             self.femelement_table