diff --git a/Marlin/src/lcd/language/language_sk.h b/Marlin/src/lcd/language/language_sk.h
index fe818a5ce7..acea2bb9d7 100644
--- a/Marlin/src/lcd/language/language_sk.h
+++ b/Marlin/src/lcd/language/language_sk.h
@@ -408,6 +408,55 @@
 #define MSG_ERR_PROBING_FAILED              _UxGT("Kalibrácia zlyhala")
 #define MSG_M600_TOO_COLD                   _UxGT("M600: Príliš studený")
 
+#define MSG_MMU2_FILAMENT_CHANGE_HEADER     _UxGT("VÝMENA FILAMENTU")
+#define MSG_MMU2_CHOOSE_FILAMENT_HEADER     _UxGT("VYBERTE FILAMENT")
+#define MSG_MMU2_MENU                       _UxGT("MMU2")
+#define MSG_MMU2_WRONG_FIRMWARE             _UxGT("Aktualizujte FW MMU!")
+#define MSG_MMU2_NOT_RESPONDING             _UxGT("MMU potrebuje zásah.")
+#define MSG_MMU2_RESUME                     _UxGT("Obnoviť tlač")
+#define MSG_MMU2_RESUMING                   _UxGT("Obnovovanie...")
+#define MSG_MMU2_LOAD_FILAMENT              _UxGT("Zaviesť filament")
+#define MSG_MMU2_LOAD_ALL                   _UxGT("Zaviesť všetky")
+#define MSG_MMU2_LOAD_TO_NOZZLE             _UxGT("Zaviesť po trysku")
+#define MSG_MMU2_EJECT_FILAMENT             _UxGT("Vysunúť filament")
+#define MSG_MMU2_EJECT_FILAMENT0            _UxGT("Vysunúť filament 1")
+#define MSG_MMU2_EJECT_FILAMENT1            _UxGT("Vysunúť filament 2")
+#define MSG_MMU2_EJECT_FILAMENT2            _UxGT("Vysunúť filament 3")
+#define MSG_MMU2_EJECT_FILAMENT3            _UxGT("Vysunúť filament 4")
+#define MSG_MMU2_EJECT_FILAMENT4            _UxGT("Vysunúť filament 5")
+#define MSG_MMU2_UNLOAD_FILAMENT            _UxGT("Vyňať filament")
+#define MSG_MMU2_LOADING_FILAMENT           _UxGT("Zavádzanie fil. %i...")
+#define MSG_MMU2_EJECTING_FILAMENT          _UxGT("Vysúvanie fil. ...")
+#define MSG_MMU2_UNLOADING_FILAMENT         _UxGT("Vysúvanie fil. ...")
+#define MSG_MMU2_ALL                        _UxGT("Všetky")
+#define MSG_MMU2_FILAMENT0                  _UxGT("Filament 1")
+#define MSG_MMU2_FILAMENT1                  _UxGT("Filament 2")
+#define MSG_MMU2_FILAMENT2                  _UxGT("Filament 3")
+#define MSG_MMU2_FILAMENT3                  _UxGT("Filament 4")
+#define MSG_MMU2_FILAMENT4                  _UxGT("Filament 5")
+#define MSG_MMU2_RESET                      _UxGT("Reštartovať MMU")
+#define MSG_MMU2_RESETTING                  _UxGT("Reštart MMU...")
+#define MSG_MMU2_EJECT_RECOVER              _UxGT("Odstráňte, kliknite")
+
+#define MSG_MIX                             _UxGT("Mix")
+#define MSG_MIX_COMPONENT                   _UxGT("Zložka")
+#define MSG_MIXER                           _UxGT("Mixér")
+#define MSG_GRADIENT                        _UxGT("Gradient")
+#define MSG_FULL_GRADIENT                   _UxGT("Plný gradient")
+#define MSG_TOGGLE_MIX                      _UxGT("Prepnúť mix")
+#define MSG_CYCLE_MIX                       _UxGT("Cyklický mix")
+#define MSG_GRADIENT_MIX                    _UxGT("Gradientný mix")
+#define MSG_REVERSE_GRADIENT                _UxGT("Otočiť gradient")
+#define MSG_ACTIVE_VTOOL                    _UxGT("Aktívny V-tool")
+#define MSG_START_VTOOL                     _UxGT("Počiat. V-tool")
+#define MSG_END_VTOOL                       _UxGT("Konečn. V-tool")
+#define MSG_GRADIENT_ALIAS                  _UxGT("Alias V-tool")
+#define MSG_RESET_VTOOLS                    _UxGT("Resetovať V-tools")
+#define MSG_COMMIT_VTOOL                    _UxGT("Uložiť V-tool Mix")
+#define MSG_VTOOLS_RESET                    _UxGT("V-tools resetované")
+#define MSG_START_Z                         _UxGT("Počiat.Z")
+#define MSG_END_Z                           _UxGT("Konečn.Z")
+
 //
 // Filament Change screens show up to 3 lines on a 4-line display
 //                        ...or up to 2 lines on a 3-line display