diff --git a/compiler/src/dotty/tools/backend/jvm/DottyBackendInterface.scala b/compiler/src/dotty/tools/backend/jvm/DottyBackendInterface.scala
index f1d0e4bca752..606c8207cee8 100644
--- a/compiler/src/dotty/tools/backend/jvm/DottyBackendInterface.scala
+++ b/compiler/src/dotty/tools/backend/jvm/DottyBackendInterface.scala
@@ -265,7 +265,7 @@ class DottyBackendInterface(outputDirectory: AbstractFile, val superCallsMap: Ma
         } else {
             // println(i"not an enum: ${t.symbol} / ${t.symbol.denot.owner} / ${t.symbol.denot.owner.isTerm} / ${t.symbol.denot.owner.flags}")
             assert(toDenot(t.symbol).name.is(DefaultGetterName),
-              s"${toDenot(t.symbol).name.debugString}") // this should be default getter. do not emmit.
+              s"${toDenot(t.symbol).name.debugString}") // this should be default getter. do not emit.
         }
       case t: SeqLiteral =>
         val arrAnnotV: AnnotationVisitor = av.visitArray(name)
@@ -626,7 +626,7 @@ class DottyBackendInterface(outputDirectory: AbstractFile, val superCallsMap: Ma
 
     def symbol: Symbol = a.tree.symbol
 
-    def args: List[Tree] = List.empty // those arguments to scala-defined annotations. they are never emmitted
+    def args: List[Tree] = List.empty // those arguments to scala-defined annotations. they are never emitted
   }
 
   def assocsFromApply(tree: Tree): List[(Name, Tree)] = {
@@ -986,7 +986,7 @@ class DottyBackendInterface(outputDirectory: AbstractFile, val superCallsMap: Ma
     def summaryString: String = tp.showSummary
 
     def params: List[Symbol] =
-      Nil // backend uses this to emmit annotations on parameter lists of forwarders
+      Nil // backend uses this to emit annotations on parameter lists of forwarders
           // to static methods of companion class
           // in Dotty this link does not exists: there is no way to get from method type
           // to inner symbols of DefDef
diff --git a/compiler/src/dotty/tools/dotc/core/tasty/TastyFormat.scala b/compiler/src/dotty/tools/dotc/core/tasty/TastyFormat.scala
index cd5344c6ba19..b9b9d2821b71 100644
--- a/compiler/src/dotty/tools/dotc/core/tasty/TastyFormat.scala
+++ b/compiler/src/dotty/tools/dotc/core/tasty/TastyFormat.scala
@@ -274,7 +274,7 @@ object TastyFormat {
 
     final val OBJECTCLASS = 23       // The name of an object class (or: module class) `<name>$`.
 
-    final val SIGNED = 63            // A pair of a name and a signature, used to idenitify
+    final val SIGNED = 63            // A pair of a name and a signature, used to identify
                                      // possibly overloaded methods.
   }
   object NameTags extends NameTags
diff --git a/doc-tool/src/dotty/tools/dottydoc/util/MemberLookup.scala b/doc-tool/src/dotty/tools/dottydoc/util/MemberLookup.scala
index cd8ef835e466..5d2d3230d40d 100644
--- a/doc-tool/src/dotty/tools/dottydoc/util/MemberLookup.scala
+++ b/doc-tool/src/dotty/tools/dottydoc/util/MemberLookup.scala
@@ -16,7 +16,7 @@ import model._
 trait MemberLookup {
   /** Performs a lookup based on the provided (pruned) query string
    *
-   *  Will return a `Tooltip` if unsucessful, otherwise a LinkToEntity or
+   *  Will return a `Tooltip` if unsuccessful, otherwise a LinkToEntity or
    *  LinkToExternal
    */
   def lookup(entity: Entity, packages: Map[String, Package], query: String): Option[Entity] = {
diff --git a/tests/pos/sams.scala b/tests/pos/sams.scala
index 20338b95c9bd..e18ff81ec805 100644
--- a/tests/pos/sams.scala
+++ b/tests/pos/sams.scala
@@ -69,7 +69,7 @@ object test {
 // synthesizeSAMFunction where the sam type is not fully defined
 class T {
   trait F[T, U] { def apply(x: T): U }
-  // this is an inner trait, that will recieve an abstract $outer pointer. Not a SAM.
+  // this is an inner trait, that will receive an abstract $outer pointer. Not a SAM.
   def app[T, U](x: T)(f: F[T, U]): U = f(x)
   app(1)(x => List(x))
 }