diff --git a/modules/imgcodecs/src/exif.cpp b/modules/imgcodecs/src/exif.cpp
index 5ca3cc315d..8ed9760556 100644
--- a/modules/imgcodecs/src/exif.cpp
+++ b/modules/imgcodecs/src/exif.cpp
@@ -165,7 +165,7 @@ void ExifReader::parseExif()
  *
  * @return INTEL, MOTO or NONE
  */
-Endianess_t ExifReader::getFormat() const
+Endianness_t ExifReader::getFormat() const
 {
     if (m_data.size() < 1)
         return NONE;
diff --git a/modules/imgcodecs/src/exif.hpp b/modules/imgcodecs/src/exif.hpp
index 6cc95afb1a..a8914bec03 100644
--- a/modules/imgcodecs/src/exif.hpp
+++ b/modules/imgcodecs/src/exif.hpp
@@ -79,7 +79,7 @@ enum ExifTagName
     INVALID_TAG             = 0xFFFF    ///< Shows that the tag was not recognized
 };
 
-enum Endianess_t
+enum Endianness_t
 {
     INTEL = 0x49,
     MOTO = 0x4D,
@@ -179,7 +179,7 @@ public:
 private:
     std::vector<unsigned char> m_data;
     std::map<int, ExifEntry_t > m_exif;
-    Endianess_t m_format;
+    Endianness_t m_format;
 
     void parseExif();
     bool checkTagMark() const;
@@ -193,7 +193,7 @@ private:
     uint16_t getResolutionUnit( const size_t offset ) const;
     uint16_t getYCbCrPos( const size_t offset ) const;
 
-    Endianess_t getFormat() const;
+    Endianness_t getFormat() const;
 
     ExifEntry_t parseExifEntry( const size_t offset );
 
diff --git a/modules/imgcodecs/src/grfmt_pfm.cpp b/modules/imgcodecs/src/grfmt_pfm.cpp
index 97cf07b27e..addae34b4f 100644
--- a/modules/imgcodecs/src/grfmt_pfm.cpp
+++ b/modules/imgcodecs/src/grfmt_pfm.cpp
@@ -27,7 +27,7 @@ bool is_byte_order_swapped(double scale)
   #endif
 }
 
-void swap_endianess(uint32_t& ui)
+void swap_endianness(uint32_t& ui)
 {
   static const uint32_t A(0x000000ffU);
   static const uint32_t B(0x0000ff00U);
@@ -137,7 +137,7 @@ bool PFMDecoder::readData(Mat& mat)
       for (int i = 0; i < m_width * buffer.channels(); ++i) {
         static_assert( sizeof(uint32_t) == sizeof(float),
                        "uint32_t and float must have same size." );
-        swap_endianess(buffer.ptr<uint32_t>(y)[i]);
+        swap_endianness(buffer.ptr<uint32_t>(y)[i]);
       }
     }
   }