diff --git a/tokio/src/sync/mpsc/block.rs b/tokio/src/sync/mpsc/block.rs
index adc3b57e3..cf86922bd 100644
--- a/tokio/src/sync/mpsc/block.rs
+++ b/tokio/src/sync/mpsc/block.rs
@@ -170,7 +170,7 @@ impl<T> Block<T> {
         // 2. The `UnsafeCell` always give us a valid pointer to the value.
         let value = self.values[offset].with(|ptr| unsafe { ptr::read(ptr) });
 
-        // Safety: the redy bit is set, so the value has been initialized.
+        // Safety: the ready bit is set, so the value has been initialized.
         Some(Read::Value(unsafe { value.assume_init() }))
     }
 
diff --git a/tokio/src/sync/tests/loom_mpsc.rs b/tokio/src/sync/tests/loom_mpsc.rs
index 039b87a77..620a9638a 100644
--- a/tokio/src/sync/tests/loom_mpsc.rs
+++ b/tokio/src/sync/tests/loom_mpsc.rs
@@ -171,20 +171,20 @@ fn try_recv() {
             assert_ok!(ctx.tx.clone().try_send(()));
         }
 
-        let mut ths = Vec::new();
+        let mut threads = Vec::new();
 
         for _ in 0..TASKS {
             let ctx = ctx.clone();
 
-            ths.push(thread::spawn(move || {
+            threads.push(thread::spawn(move || {
                 run(&ctx);
             }));
         }
 
         run(&ctx);
 
-        for th in ths {
-            th.join().unwrap();
+        for thread in threads {
+            thread.join().unwrap();
         }
     });
 }
diff --git a/tokio/src/sync/tests/loom_notify.rs b/tokio/src/sync/tests/loom_notify.rs
index e58a78ff1..081cfd21f 100644
--- a/tokio/src/sync/tests/loom_notify.rs
+++ b/tokio/src/sync/tests/loom_notify.rs
@@ -81,12 +81,12 @@ fn notify_multi() {
     loom::model(|| {
         let notify = Arc::new(Notify::new());
 
-        let mut ths = vec![];
+        let mut threads = vec![];
 
         for _ in 0..2 {
             let notify = notify.clone();
 
-            ths.push(thread::spawn(move || {
+            threads.push(thread::spawn(move || {
                 block_on(async {
                     notify.notified().await;
                     notify.notify_one();
@@ -96,8 +96,8 @@ fn notify_multi() {
 
         notify.notify_one();
 
-        for th in ths.drain(..) {
-            th.join().unwrap();
+        for thread in threads.drain(..) {
+            thread.join().unwrap();
         }
 
         block_on(async {
diff --git a/tokio/src/sync/tests/loom_semaphore_batch.rs b/tokio/src/sync/tests/loom_semaphore_batch.rs
index 27a459521..f5e701877 100644
--- a/tokio/src/sync/tests/loom_semaphore_batch.rs
+++ b/tokio/src/sync/tests/loom_semaphore_batch.rs
@@ -164,13 +164,13 @@ fn batch() {
     b.check(|| {
         let semaphore = Arc::new(Semaphore::new(10));
         let active = Arc::new(AtomicUsize::new(0));
-        let mut ths = vec![];
+        let mut threads = vec![];
 
         for _ in 0..2 {
             let semaphore = semaphore.clone();
             let active = active.clone();
 
-            ths.push(thread::spawn(move || {
+            threads.push(thread::spawn(move || {
                 for n in &[4, 10, 8] {
                     block_on(semaphore.acquire(*n)).unwrap();
 
@@ -188,8 +188,8 @@ fn batch() {
             }));
         }
 
-        for th in ths.into_iter() {
-            th.join().unwrap();
+        for thread in threads.into_iter() {
+            thread.join().unwrap();
         }
 
         assert_eq!(10, semaphore.available_permits());
diff --git a/tokio/src/time/sleep.rs b/tokio/src/time/sleep.rs
index f0bbf5c2f..b2dcf5c59 100644
--- a/tokio/src/time/sleep.rs
+++ b/tokio/src/time/sleep.rs
@@ -449,7 +449,7 @@ impl Future for Sleep {
     //
     // - AtCapacity: this is a pathological case where far too many
     //   sleep instances have been scheduled.
-    // - Shutdown: No timer has been setup, which is a mis-use error.
+    // - Shutdown: No timer has been setup, which is a misuse error.
     //
     // Both cases are extremely rare, and pretty accurately fit into
     // "logic errors", so we just panic in this case. A user couldn't
diff --git a/tokio/tests/net_unix_pipe.rs b/tokio/tests/net_unix_pipe.rs
index 7169b5b61..f95eb1998 100644
--- a/tokio/tests/net_unix_pipe.rs
+++ b/tokio/tests/net_unix_pipe.rs
@@ -259,11 +259,11 @@ async fn from_file_detects_wrong_access_mode() -> io::Result<()> {
     let _reader = pipe::OpenOptions::new().open_receiver(&fifo)?;
 
     // Check if Receiver detects write-only access mode.
-    let wronly = std::fs::OpenOptions::new()
+    let write_only = std::fs::OpenOptions::new()
         .write(true)
         .custom_flags(libc::O_NONBLOCK)
         .open(&fifo)?;
-    let err = assert_err!(pipe::Receiver::from_file(wronly));
+    let err = assert_err!(pipe::Receiver::from_file(write_only));
     assert_eq!(err.kind(), io::ErrorKind::InvalidInput);
 
     // Check if Sender detects read-only access mode.
@@ -298,9 +298,9 @@ async fn from_file_sets_nonblock() -> io::Result<()> {
     assert!(is_nonblocking(&reader)?);
 
     // Check if Sender sets the pipe in non-blocking mode.
-    let wronly = std::fs::OpenOptions::new().write(true).open(&fifo)?;
-    assert!(!is_nonblocking(&wronly)?);
-    let writer = pipe::Sender::from_file(wronly)?;
+    let write_only = std::fs::OpenOptions::new().write(true).open(&fifo)?;
+    assert!(!is_nonblocking(&write_only)?);
+    let writer = pipe::Sender::from_file(write_only)?;
     assert!(is_nonblocking(&writer)?);
 
     Ok(())
diff --git a/tokio/tests/rt_basic.rs b/tokio/tests/rt_basic.rs
index 23845bda5..665dce3c9 100644
--- a/tokio/tests/rt_basic.rs
+++ b/tokio/tests/rt_basic.rs
@@ -365,13 +365,13 @@ mod unstable {
             .unwrap();
 
         let rt = Arc::new(rt);
-        let mut ths = vec![];
+        let mut threads = vec![];
         let (tx, rx) = mpsc::channel();
 
         for _ in 0..N {
             let rt = rt.clone();
             let tx = tx.clone();
-            ths.push(std::thread::spawn(move || {
+            threads.push(std::thread::spawn(move || {
                 rt.block_on(async {
                     tx.send(()).unwrap();
                     futures::future::pending::<()>().await;
@@ -387,8 +387,8 @@ mod unstable {
             panic!("boom");
         });
 
-        for th in ths {
-            assert!(th.join().is_err());
+        for thread in threads {
+            assert!(thread.join().is_err());
         }
     }