diff --git a/src/ccmain/pagesegmain.cpp b/src/ccmain/pagesegmain.cpp
index 10c02de3dc..dc708b6e85 100644
--- a/src/ccmain/pagesegmain.cpp
+++ b/src/ccmain/pagesegmain.cpp
@@ -188,7 +188,7 @@ int Tesseract::SegmentPage(const STRING* input_file, BLOCK_LIST* blocks,
  * of non-uniform linespacing.
  *
  * If diacritic_blobs is non-null, then diacritics/noise blobs, that would
- * confuse layout anaylsis by causing textline overlap, are placed there,
+ * confuse layout analysis by causing textline overlap, are placed there,
  * with the expectation that they will be reassigned to words later and
  * noise/diacriticness determined via classification.
  *
diff --git a/src/classify/mastertrainer.cpp b/src/classify/mastertrainer.cpp
index a648f4ff6a..905d9d85b1 100644
--- a/src/classify/mastertrainer.cpp
+++ b/src/classify/mastertrainer.cpp
@@ -55,7 +55,7 @@ MasterTrainer::MasterTrainer(NormalizationMode norm_mode,
   : norm_mode_(norm_mode), samples_(fontinfo_table_),
     junk_samples_(fontinfo_table_), verify_samples_(fontinfo_table_),
     charsetsize_(0),
-    enable_shape_anaylsis_(shape_analysis),
+    enable_shape_analysis_(shape_analysis),
     enable_replication_(replicate_samples),
     fragments_(nullptr), prev_unichar_id_(-1), debug_level_(debug_level) {
 }
@@ -205,13 +205,13 @@ void MasterTrainer::LoadPageImages(const char* filename) {
 
 // Cleans up the samples after initial load from the tr files, and prior to
 // saving the MasterTrainer:
-// Remaps fragmented chars if running shape anaylsis.
+// Remaps fragmented chars if running shape analysis.
 // Sets up the samples appropriately for class/fontwise access.
 // Deletes outlier samples.
 void MasterTrainer::PostLoadCleanup() {
   if (debug_level_ > 0)
     tprintf("PostLoadCleanup...\n");
-  if (enable_shape_anaylsis_)
+  if (enable_shape_analysis_)
     ReplaceFragmentedSamples();
   SampleIterator sample_it;
   sample_it.Init(nullptr, nullptr, true, &verify_samples_);
diff --git a/src/classify/mastertrainer.h b/src/classify/mastertrainer.h
index 12afe27cd3..9abf111e73 100644
--- a/src/classify/mastertrainer.h
+++ b/src/classify/mastertrainer.h
@@ -103,7 +103,7 @@ class MasterTrainer {
 
   // Cleans up the samples after initial load from the tr files, and prior to
   // saving the MasterTrainer:
-  // Remaps fragmented chars if running shape anaylsis.
+  // Remaps fragmented chars if running shape analysis.
   // Sets up the samples appropriately for class/fontwise access.
   // Deletes outlier samples.
   void PostLoadCleanup();
@@ -284,7 +284,7 @@ class MasterTrainer {
   int charsetsize_;
   // Flag to indicate that we are running shape analysis and need fragments
   // fixing.
-  bool enable_shape_anaylsis_;
+  bool enable_shape_analysis_;
   // Flag to indicate that sample replication is required.
   bool enable_replication_;
   // Array of classids of fragments that replace the correctly segmented chars.
diff --git a/src/textord/colfind.cpp b/src/textord/colfind.cpp
index 5ed4f3348d..5b17bd880b 100644
--- a/src/textord/colfind.cpp
+++ b/src/textord/colfind.cpp
@@ -278,7 +278,7 @@ void ColumnFinder::CorrectOrientation(TO_BLOCK* block,
 // can be an integer factor reduction of the grey_pix. It represents the
 // thresholds that were used to create the binary_pix from the grey_pix.
 // If diacritic_blobs is non-null, then diacritics/noise blobs, that would
-// confuse layout anaylsis by causing textline overlap, are placed there,
+// confuse layout analysis by causing textline overlap, are placed there,
 // with the expectation that they will be reassigned to words later and
 // noise/diacriticness determined via classification.
 // Returns -1 if the user hits the 'd' key in the blocks window while running