diff --git a/applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/insertSurfaceNearestPointPairs.C b/applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/insertSurfaceNearestPointPairs.C
index e8a73cea48..3c761e03e4 100644
--- a/applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/insertSurfaceNearestPointPairs.C
+++ b/applications/utilities/mesh/generation/foamyMesh/foamyQuadMesh/insertSurfaceNearestPointPairs.C
@@ -49,7 +49,7 @@ bool Foam::CV2D::dualCellSurfaceIntersection
 
             point e1 = toPoint3D(circumcenter(ec->first->neighbor(ec->second)));
 
-            // If other edge end is ouside bounding box then edge cuts boundary
+            // If other edge end is outside bounding box then edge cuts boundary
             if (!qSurf_.globalBounds().contains(e1))
             {
                 return true;
diff --git a/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C b/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C
index 603223c322..06afe87ffb 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C
+++ b/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C
@@ -140,7 +140,7 @@ void Foam::polyMesh::setTopology
 )
 {
     // Calculate the faces of all cells
-    // Initialise maximum possible numer of mesh faces to 0
+    // Initialise maximum possible number of mesh faces to 0
     label maxFaces = 0;
 
     // Set up a list of face shapes for each cell
@@ -156,7 +156,7 @@ void Foam::polyMesh::setTopology
         // Initialise cells to -1 to flag undefined faces
         static_cast<labelList&>(cells[celli]) = -1;
 
-        // Count maximum possible numer of mesh faces
+        // Count maximum possible number of mesh faces
         maxFaces += cellsFaceShapes[celli].size();
     }
 
diff --git a/src/fvOptions/sources/derived/radialActuationDiskSource/radialActuationDiskSource.H b/src/fvOptions/sources/derived/radialActuationDiskSource/radialActuationDiskSource.H
index 4f0c9fe80d..4fac677c58 100644
--- a/src/fvOptions/sources/derived/radialActuationDiskSource/radialActuationDiskSource.H
+++ b/src/fvOptions/sources/derived/radialActuationDiskSource/radialActuationDiskSource.H
@@ -92,7 +92,7 @@ class radialActuationDiskSource
 {
     // Private data
 
-        //- Coeffcients for the radial distribution
+        //- Coefficients for the radial distribution
         FixedList<scalar, 3> radialCoeffs_;
 
 
diff --git a/src/fvOptions/sources/derived/rotorDiskSource/bladeModel/bladeModel.H b/src/fvOptions/sources/derived/rotorDiskSource/bladeModel/bladeModel.H
index 48b6763745..7aeb8022c0 100644
--- a/src/fvOptions/sources/derived/rotorDiskSource/bladeModel/bladeModel.H
+++ b/src/fvOptions/sources/derived/rotorDiskSource/bladeModel/bladeModel.H
@@ -90,7 +90,7 @@ protected:
 
     // Protected Member Functions
 
-        //- Return ture if file name is set
+        //- Return true if file name is set
         bool readFromFile() const;
 
         //- Return the interpolation indices and gradient
diff --git a/src/fvOptions/sources/derived/rotorDiskSource/profileModel/profileModel.H b/src/fvOptions/sources/derived/rotorDiskSource/profileModel/profileModel.H
index 14059bfabb..4007db22b7 100644
--- a/src/fvOptions/sources/derived/rotorDiskSource/profileModel/profileModel.H
+++ b/src/fvOptions/sources/derived/rotorDiskSource/profileModel/profileModel.H
@@ -67,7 +67,7 @@ protected:
 
     // Protected Member Functions
 
-        //- Return ture if file name is set
+        //- Return true if file name is set
         bool readFromFile() const;
 
 
diff --git a/src/parallel/decompose/scotchDecomp/scotchDecomp.C b/src/parallel/decompose/scotchDecomp/scotchDecomp.C
index 33d0f3a917..f97192beea 100644
--- a/src/parallel/decompose/scotchDecomp/scotchDecomp.C
+++ b/src/parallel/decompose/scotchDecomp/scotchDecomp.C
@@ -229,7 +229,7 @@ Foam::label Foam::scotchDecomp::decomposeOneProc
 
             label version = 0;
             str << version << nl;
-            // Numer of vertices
+            // Number of vertices
             str << xadj.size()-1 << ' ' << adjncy.size() << nl;
             // Numbering starts from 0
             label baseval = 0;
diff --git a/src/regionModels/surfaceFilmModels/surfaceFilmRegionModel/surfaceFilmRegionModel.H b/src/regionModels/surfaceFilmModels/surfaceFilmRegionModel/surfaceFilmRegionModel.H
index 31ea412676..85b6f26021 100644
--- a/src/regionModels/surfaceFilmModels/surfaceFilmRegionModel/surfaceFilmRegionModel.H
+++ b/src/regionModels/surfaceFilmModels/surfaceFilmRegionModel/surfaceFilmRegionModel.H
@@ -105,7 +105,7 @@ public:
 
         // Access
 
-            //- Return the accleration due to gravity
+            //- Return the acceleration due to gravity
             inline const dimensionedVector& g() const;
 
             //- External hook to add sources to the film
diff --git a/src/surfMesh/surfaceFormats/stl/STLsurfaceFormatCore.C b/src/surfMesh/surfaceFormats/stl/STLsurfaceFormatCore.C
index 025f0dbf02..86a86d19d3 100644
--- a/src/surfMesh/surfaceFormats/stl/STLsurfaceFormatCore.C
+++ b/src/surfMesh/surfaceFormats/stl/STLsurfaceFormatCore.C
@@ -152,7 +152,7 @@ bool Foam::fileFormats::STLsurfaceFormatCore::readBINARY
         points_[ptI++] = stlTri.b();
         points_[ptI++] = stlTri.c();
 
-        // interprete stl attribute as a zone
+        // interpret stl attribute as a zone
         const label origId = stlTri.attrib();
 
         Map<label>::const_iterator fnd = lookup.find(origId);
diff --git a/tutorials/incompressible/pimpleFoam/RAS/oscillatingInletACMI2D/README b/tutorials/incompressible/pimpleFoam/RAS/oscillatingInletACMI2D/README
index 8e5e7d8d57..1c00d9fc49 100644
--- a/tutorials/incompressible/pimpleFoam/RAS/oscillatingInletACMI2D/README
+++ b/tutorials/incompressible/pimpleFoam/RAS/oscillatingInletACMI2D/README
@@ -103,7 +103,7 @@ patches) the slave patches are simply defined using 'dummy' entries, e.g.:
 
 Boundary conditions must then be applied to all geometric patches in the usual,
 manner, and the cases can be executed in parallel (as shown when running the
-Allrun-parallel script) without any speacial treatment, i.e. the case set-up is
+Allrun-parallel script) without any special treatment, i.e. the case set-up is
 the same as when operating in serial mode.