diff --git a/DESCRIPTION b/DESCRIPTION
index 7806e249..f7712d67 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -64,6 +64,7 @@ Suggests:
   rmarkdown,
   Rcpp,
   rgl,
+  spelling,
   testthat (>= 3.0),
   Ternary (>= 1.1.2),
   TreeDistData (> 0.1.0),
diff --git a/inst/WORDLIST b/inst/WORDLIST
index 4ff00b07..5c1c05c3 100644
--- a/inst/WORDLIST
+++ b/inst/WORDLIST
@@ -92,6 +92,8 @@ etc
 frac
 github
 gotchas
+hypervolume
+hypervolumes
 ingroup
 interdecile
 jonker
@@ -116,6 +118,8 @@ sensu
 shinyjs
 splitwise
 spic
+syab
+sysbio
 textrm
 th
 tqDist
diff --git a/tests/spelling.R b/tests/spelling.R
new file mode 100644
index 00000000..59e5082c
--- /dev/null
+++ b/tests/spelling.R
@@ -0,0 +1,4 @@
+if(requireNamespace('spelling', quietly = TRUE)) {
+  spelling::spell_check_test(vignettes = TRUE, error = TRUE,
+                             skip_on_cran = TRUE)
+}