diff --git a/apps/esmtool/esmtool.cpp b/apps/esmtool/esmtool.cpp
index 7618bbeb8..7cea574c8 100644
--- a/apps/esmtool/esmtool.cpp
+++ b/apps/esmtool/esmtool.cpp
@@ -87,7 +87,7 @@ bool parseOptions (int argc, char** argv, Arguments &info)
         ("plain,p", "Print contents of dialogs, books and scripts. "
          "(skipped by default)"
          "Only affects dump mode.")
-        ("quiet,q", "Supress all record information. Useful for speed tests.")
+        ("quiet,q", "Suppress all record information. Useful for speed tests.")
         ("loadcells,C", "Browse through contents of all cells.")
 
         ( "encoding,e", bpo::value<std::string>(&(info.encoding))->
diff --git a/apps/launcher/maindialog.cpp b/apps/launcher/maindialog.cpp
index 4a2e1ba0e..d88a41117 100644
--- a/apps/launcher/maindialog.cpp
+++ b/apps/launcher/maindialog.cpp
@@ -403,7 +403,7 @@ bool Launcher::MainDialog::setupGameData()
         QAbstractButton *skipButton =
                 msgBox.addButton(tr("Skip"), QMessageBox::RejectRole);
 
-        Q_UNUSED(skipButton); // Supress compiler unused warning
+        Q_UNUSED(skipButton); // Suppress compiler unused warning
 
         msgBox.exec();
 
diff --git a/files/shaders/water_fragment.glsl b/files/shaders/water_fragment.glsl
index 86edd8698..93ba156be 100644
--- a/files/shaders/water_fragment.glsl
+++ b/files/shaders/water_fragment.glsl
@@ -36,7 +36,7 @@ const vec3 SUN_EXT = vec3(0.45, 0.55, 0.68);       //sunlight extinction
 
 const float SPEC_HARDNESS = 256.0;                 // specular highlights hardness
 
-const float BUMP_SUPPRESS_DEPTH = 300.0;           // at what water depth bumpmap will be supressed for reflections and refractions (prevents artifacts at shores)
+const float BUMP_SUPPRESS_DEPTH = 300.0;           // at what water depth bumpmap will be suppressed for reflections and refractions (prevents artifacts at shores)
 
 const vec2 WIND_DIR = vec2(0.5f, -0.8f);
 const float WIND_SPEED = 0.2f;