diff --git a/src/Mod/CAM/CAMTests/TestPathHelix.py b/src/Mod/CAM/CAMTests/TestPathHelix.py
index 18d0df432f..191b364d6f 100644
--- a/src/Mod/CAM/CAMTests/TestPathHelix.py
+++ b/src/Mod/CAM/CAMTests/TestPathHelix.py
@@ -140,7 +140,7 @@ class TestPathHelix(PathTestUtils.PathTestBase):
                     )
 
     def testPathDirection(self):
-        """Verify that the generated paths obays the given parameters"""
+        """Verify that the generated paths obeys the given parameters"""
         helix = PathHelix.Create("Helix")
 
         def check(start_side, cut_mode, expected_direction):
diff --git a/src/Mod/Draft/draftgeoutils/circles.py b/src/Mod/Draft/draftgeoutils/circles.py
index 597e65319c..d5dac2aaf4 100644
--- a/src/Mod/Draft/draftgeoutils/circles.py
+++ b/src/Mod/Draft/draftgeoutils/circles.py
@@ -359,7 +359,7 @@ def findHomotheticCenterOfCircles(circle1, circle2):
     cenDir = vec(cen1_cen2)
     cenDir.normalize()
 
-    # Get the perpedicular vector.
+    # Get the perpendicular vector.
     perpCenDir = cenDir.cross(App.Vector(0, 0, 1))
     perpCenDir.normalize()
 
@@ -427,7 +427,7 @@ def findRadicalAxis(circle1, circle2):
     cenDir = cen1.sub(circle2.Curve.Center)
     cenDir.normalize()
 
-    # Get the perpedicular vector.
+    # Get the perpendicular vector.
     perpCenDir = cenDir.cross(App.Vector(0, 0, 1))
     perpCenDir.normalize()
 
diff --git a/src/Mod/Sketcher/App/SketchObject.cpp b/src/Mod/Sketcher/App/SketchObject.cpp
index ddb5788dad..fe39ee810d 100644
--- a/src/Mod/Sketcher/App/SketchObject.cpp
+++ b/src/Mod/Sketcher/App/SketchObject.cpp
@@ -3512,7 +3512,7 @@ int SketchObject::trim(int GeoId, const Base::Vector3d& point)
                                                                     Constraint* constr) {
         // TODO: Move code currently later in this method (that does as per the following description) here.
         /* It is possible that the trimming entity has both a PointOnObject constraint to the
-         * trimmed entity, and a simple Tangent contstraint to the trimmed entity. In this case we
+         * trimmed entity, and a simple Tangent constraint to the trimmed entity. In this case we
          * want to change to a single end-to-end tangency, i.e we want to ensure that constrType1 is
          * set to Sketcher::Tangent, that the secondPos1 is captured from the PointOnObject, and
          * also make sure that the PointOnObject constraint is deleted. The below loop ensures this,