diff --git a/Rules/Languages/de/SharedRules/general.yaml b/Rules/Languages/de/SharedRules/general.yaml
index 3098d76ac..9f4807946 100644
--- a/Rules/Languages/de/SharedRules/general.yaml
+++ b/Rules/Languages/de/SharedRules/general.yaml
@@ -1005,12 +1005,12 @@
   - bookmark: "*[1]/@id"
   - test:
     - if: ".='s'"
-      then: [T: "solide"]      # phrase(Boron is a 'solid' in its natural state)
+      then: [T: "fest"]      # phrase(Boron is a 'solid' in its natural state)
     - else_if: ".='l'"
-      then: [T: "flüssigkeit"]      # phrase(water is a 'liquid')
+      then: [T: "flüssig"]      # phrase(water is a 'liquid')
     - else_if: ".='g'"
-      then: [T: "gas"]      # phrase(hydrogen is a 'gas' )
-      else: [T: "wässrige"]      # phrase(an 'aqueous' solution is contained in water)
+      then: [T: "gasförmig"]      # phrase(hydrogen is a 'gas' )
+      else: [T: "wässrig"]      # phrase(an 'aqueous' solution is contained in water)
   - pause: short
 
 - name: chemical-formula-operator-bond
diff --git a/tests/Languages/de/chemistry.rs b/tests/Languages/de/chemistry.rs
index 14bb1bfd1..63c46302d 100644
--- a/tests/Languages/de/chemistry.rs
+++ b/tests/Languages/de/chemistry.rs
@@ -40,6 +40,40 @@ fn sulfate() -> Result<()> {
 
 }
 
+#[test]
+fn chemical_state_names_are_german_adjectives() -> Result<()> {
+  // Chemical state suffixes should use the standard German adjectival names.
+  test_prefs(
+    "de",
+    "ClearSpeak",
+    vec![("Verbosity", "Terse")],
+    "<math><mi>Na</mi><mrow><mo>(</mo><mi mathvariant='normal'>s</mi><mo>)</mo></mrow></math>",
+    "groß n a, fest",
+  )?;
+  test_prefs(
+    "de",
+    "ClearSpeak",
+    vec![("Verbosity", "Terse")],
+    "<math><msub><mi>H</mi><mn>2</mn></msub><mi>O</mi><mrow><mo>(</mo><mi mathvariant='normal'>l</mi><mo>)</mo></mrow></math>",
+    "groß h, 2 groß o, flüssig",
+  )?;
+  test_prefs(
+    "de",
+    "ClearSpeak",
+    vec![("Verbosity", "Terse")],
+    "<math><mi>HCl</mi><mrow><mo>(</mo><mi mathvariant='normal'>g</mi><mo>)</mo></mrow></math>",
+    "groß h, groß c l, gasförmig",
+  )?;
+  test_prefs(
+    "de",
+    "ClearSpeak",
+    vec![("Verbosity", "Terse")],
+    "<math><mi>HCl</mi><mrow><mo>(</mo><mi>aq</mi><mo>)</mo></mrow></math>",
+    "groß h, groß c l, wässrig",
+  )?;
+  Ok(())
+}
+
 
 /* // ignored below
 #[test]