diff --git a/examples/learning/prevnext.html b/examples/learning/prevnext.html
index cf5d1c937..c1cb0240f 100644
--- a/examples/learning/prevnext.html
+++ b/examples/learning/prevnext.html
@@ -90,7 +90,7 @@
 
   /**
    * If another page rendering in progress, waits until the rendering is
-   * finised. Otherwise, executes rendering immediately.
+   * finished. Otherwise, executes rendering immediately.
    */
   function queueRenderPage(num) {
     if (pageRendering) {
diff --git a/src/core/annotation.js b/src/core/annotation.js
index 36f1c37fb..056af502f 100644
--- a/src/core/annotation.js
+++ b/src/core/annotation.js
@@ -3161,7 +3161,7 @@ class HighlightAnnotation extends MarkupAnnotation {
           // Workaround for cases where there's no /ExtGState-entry directly
           // available, e.g. when the appearance stream contains a /XObject of
           // the /Form-type, since that causes the highlighting to completely
-          // obsure the PDF content below it (fixes issue13242.pdf).
+          // obscure the PDF content below it (fixes issue13242.pdf).
           warn("HighlightAnnotation - ignoring built-in appearance stream.");
         }
         // Default color is yellow in Acrobat Reader
diff --git a/src/core/cff_parser.js b/src/core/cff_parser.js
index 78f40cc01..3e84b0072 100644
--- a/src/core/cff_parser.js
+++ b/src/core/cff_parser.js
@@ -29,7 +29,7 @@ import {
 } from "./charsets.js";
 import { ExpertEncoding, StandardEncoding } from "./encodings.js";
 
-// Maximum subroutine call depth of type 2 chartrings. Matches OTS.
+// Maximum subroutine call depth of type 2 charstrings. Matches OTS.
 const MAX_SUBR_NESTING = 10;
 
 /**
diff --git a/src/core/evaluator.js b/src/core/evaluator.js
index ec4157374..2adf760c8 100644
--- a/src/core/evaluator.js
+++ b/src/core/evaluator.js
@@ -436,7 +436,7 @@ class PartialEvaluator {
     if (!data) {
       return null;
     }
-    // Cache the "raw" standard font data, to avoid fetching it repeateadly
+    // Cache the "raw" standard font data, to avoid fetching it repeatedly
     // (see e.g. issue 11399).
     this.standardFontDataCache.set(name, data);
 
diff --git a/src/core/struct_tree.js b/src/core/struct_tree.js
index 175982641..173da5e82 100644
--- a/src/core/struct_tree.js
+++ b/src/core/struct_tree.js
@@ -280,7 +280,7 @@ class StructTreePage {
   }
 
   /**
-   * Convert the tree structure into a simplifed object literal that can
+   * Convert the tree structure into a simplified object literal that can
    * be sent to the main thread.
    * @returns {Object}
    */
diff --git a/src/core/worker.js b/src/core/worker.js
index 04fc03abe..21dbb190a 100644
--- a/src/core/worker.js
+++ b/src/core/worker.js
@@ -172,7 +172,7 @@ class WorkerMessageHandler {
       // Check that at least the first page can be successfully loaded,
       // since otherwise the XRef table is definitely not valid.
       await pdfManager.ensureDoc("checkFirstPage", [recoveryMode]);
-      // Check that the last page can be sucessfully loaded, to ensure that
+      // Check that the last page can be successfully loaded, to ensure that
       // `numPages` is correct, and fallback to walking the entire /Pages-tree.
       await pdfManager.ensureDoc("checkLastPage", [recoveryMode]);
 
diff --git a/src/core/xfa/formcalc_lexer.js b/src/core/xfa/formcalc_lexer.js
index 559fda0a5..fd7123d73 100644
--- a/src/core/xfa/formcalc_lexer.js
+++ b/src/core/xfa/formcalc_lexer.js
@@ -80,7 +80,7 @@ const TOKEN = {
   string: 22,
   this: 23,
   times: 24,
-  identifier: 25, // in main statments too
+  identifier: 25, // in main statements too
 
   /* Main statements */
   break: 26,
diff --git a/src/core/xfa/som.js b/src/core/xfa/som.js
index cd2e92a84..a090f74e4 100644
--- a/src/core/xfa/som.js
+++ b/src/core/xfa/som.js
@@ -68,7 +68,7 @@ function parseIndex(index) {
   return parseInt(index, 10) || 0;
 }
 
-// For now expressions containaing .[...] or .(...) are not
+// For now expressions containing .[...] or .(...) are not
 // evaluated so don't parse them.
 // TODO: implement that stuff and the remove the noExpr param.
 function parseExpression(expr, dotDotAllowed, noExpr = true) {
diff --git a/src/core/xfa/xfa_object.js b/src/core/xfa/xfa_object.js
index e22c4435c..30f6cfd2a 100644
--- a/src/core/xfa/xfa_object.js
+++ b/src/core/xfa/xfa_object.js
@@ -440,7 +440,7 @@ class XFAObject {
 
   /**
    * Update the node with properties coming from a prototype and apply
-   * this function recursivly to all children.
+   * this function recursively to all children.
    */
   [$resolvePrototypes](ids, ancestors = new Set()) {
     for (const child of this[_children]) {
diff --git a/src/display/canvas.js b/src/display/canvas.js
index 2f3b5ea77..ef789af81 100644
--- a/src/display/canvas.js
+++ b/src/display/canvas.js
@@ -43,7 +43,7 @@ const MAX_FONT_SIZE = 100;
 const MAX_GROUP_SIZE = 4096;
 
 // Defines the time the `executeOperatorList`-method is going to be executing
-// before it stops and shedules a continue of execution.
+// before it stops and schedules a continue of execution.
 const EXECUTION_TIME = 15; // ms
 // Defines the number of steps before checking the execution time.
 const EXECUTION_STEPS = 10;
diff --git a/src/display/pattern_helper.js b/src/display/pattern_helper.js
index d14c69530..42a62d29c 100644
--- a/src/display/pattern_helper.js
+++ b/src/display/pattern_helper.js
@@ -563,7 +563,7 @@ class TilingPattern {
     let adjustedY0 = y0;
     let adjustedX1 = x1;
     let adjustedY1 = y1;
-    // Some bounding boxes have negative x0/y0 cordinates which will cause the
+    // Some bounding boxes have negative x0/y0 coordinates which will cause the
     // some of the drawing to be off of the canvas. To avoid this shift the
     // bounding box over.
     if (x0 < 0) {