diff --git a/docs/compiles_table.py b/docs/compiles_table.py
index 83c98bed1..884b0bc39 100644
--- a/docs/compiles_table.py
+++ b/docs/compiles_table.py
@@ -10,7 +10,7 @@ from pathlib import Path
 # third party dependencies
 from tqdm import tqdm
 
-# spell-checker:ignore (libs) tqdm imap ; (shell/mac) xcrun ; (vars) nargs
+# spell-checker:ignore (libs) tqdm imap ; (shell/mac) xcrun ; (vars) nargs retcode csvfile
 
 BINS_PATH = Path("../src/uu")
 CACHE_PATH = Path("compiles_table.csv")
diff --git a/src/uu/factor/src/numeric/montgomery.rs b/src/uu/factor/src/numeric/montgomery.rs
index 10c6dd2d9..421699158 100644
--- a/src/uu/factor/src/numeric/montgomery.rs
+++ b/src/uu/factor/src/numeric/montgomery.rs
@@ -111,7 +111,7 @@ impl<T: DoubleInt> Arithmetic for Montgomery<T> {
     }
 
     fn to_mod(&self, x: u64) -> Self::ModInt {
-        // TODO: optimise!
+        // TODO: optimize!
         debug_assert!(x < self.n.as_u64());
         let r = T::from_double_width(
             ((T::DoubleWidth::from_u64(x)) << T::zero().count_zeros() as usize)
diff --git a/src/uucore/src/lib/parser/shortcut_value_parser.rs b/src/uucore/src/lib/parser/shortcut_value_parser.rs
index 2b94f9b75..bdc96b8ef 100644
--- a/src/uucore/src/lib/parser/shortcut_value_parser.rs
+++ b/src/uucore/src/lib/parser/shortcut_value_parser.rs
@@ -2,7 +2,7 @@
 //
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
-// spell-checker:ignore abcdefgh
+// spell-checker:ignore abcdefgh abef
 use clap::{
     builder::{PossibleValue, TypedValueParser},
     error::{ContextKind, ContextValue, ErrorKind},
diff --git a/tests/by-util/test_ls.rs b/tests/by-util/test_ls.rs
index 1262c2ab9..8d4e58759 100644
--- a/tests/by-util/test_ls.rs
+++ b/tests/by-util/test_ls.rs
@@ -2,7 +2,7 @@
 //
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
-// spell-checker:ignore (words) READMECAREFULLY birthtime doesntexist oneline somebackup lrwx somefile somegroup somehiddenbackup somehiddenfile tabsize aaaaaaaa bbbb cccc dddddddd ncccc neee naaaaa nbcdef nfffff dired subdired tmpfs mdir COLORTERM mexe
+// spell-checker:ignore (words) READMECAREFULLY birthtime doesntexist oneline somebackup lrwx somefile somegroup somehiddenbackup somehiddenfile tabsize aaaaaaaa bbbb cccc dddddddd ncccc neee naaaaa nbcdef nfffff dired subdired tmpfs mdir COLORTERM mexe bcdef
 
 #[cfg(any(unix, feature = "feat_selinux"))]
 use crate::common::util::expected_result;
diff --git a/tests/by-util/test_nl.rs b/tests/by-util/test_nl.rs
index a00e37a47..78d18bcb4 100644
--- a/tests/by-util/test_nl.rs
+++ b/tests/by-util/test_nl.rs
@@ -3,7 +3,7 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 //
-// spell-checker:ignore binvalid finvalid hinvalid iinvalid linvalid nabcabc nabcabcabc ninvalid vinvalid winvalid
+// spell-checker:ignore binvalid finvalid hinvalid iinvalid linvalid nabcabc nabcabcabc ninvalid vinvalid winvalid dabc näää
 use crate::common::util::TestScenario;
 
 #[test]
diff --git a/util/size-experiment.py b/util/size-experiment.py
index 8acacf9d1..3a321c1b2 100644
--- a/util/size-experiment.py
+++ b/util/size-experiment.py
@@ -1,3 +1,4 @@
+# spell-checker:ignore debuginfo
 import subprocess
 from itertools import product
 import shutil