diff --git a/.vale.ini b/.vale.ini
--- a/.vale.ini
+++ b/.vale.ini
@@ -18,6 +18,7 @@
 FreeBSD.BrandTerms = NO
 FreeBSD.ConsciousLanguage = NO
 FreeBSD.Contractions = NO
+FreeBSD.ForeignLanguage= NO
 FreeBSD.Hang = NO
 FreeBSD.Hyphens = NO
 FreeBSD.Pronouns = NO
diff --git a/.vale/styles/FreeBSD/ForeignLanguage.yml b/.vale/styles/FreeBSD/ForeignLanguage.yml
new file mode 100644
--- /dev/null
+++ b/.vale/styles/FreeBSD/ForeignLanguage.yml
@@ -0,0 +1,11 @@
+---
+extends: substitution
+message: "Use '%s' instead of '%s'."
+ignorecase: true
+level: error
+nonword: true
+action:
+  name: replace
+  swap:
+    '\b(?:eg|e g|e\.g\.|e\. g\.)[\s,]': for example
+    '\b(?:ie|i e|i\.e\.|i\. e\.)[\s,]': that is