diff --git a/crates/proof/src/lib.rs b/crates/proof/src/lib.rs
index 9d345ab6b..ea42c3337 100644
--- a/crates/proof/src/lib.rs
+++ b/crates/proof/src/lib.rs
@@ -315,7 +315,7 @@ fn known_core(w: &str) -> bool {
         return true;
     }
     // Inflections.
-    let stems: [(&str, &[&str]); 12] = [
+    let stems: [(&str, &[&str]); 13] = [
         ("'s", &[""]),
         ("s", &[""]),
         ("es", &["", "e"]),
@@ -325,6 +325,8 @@ fn known_core(w: &str) -> bool {
         ("ing", &["", "e"]),
         ("ly", &["", "le"]),
         ("ily", &["y"]),
+        // specifically → specific (#1694): only -ic adjectives, so "desktopally" stays wrong.
+        ("ically", &["ic"]),
         ("er", &["", "e"]),
         ("est", &["", "e"]),
         ("ness", &[""]),
@@ -924,6 +926,27 @@ mod tests {
         assert!(suggest("Wrold", 3).contains(&"World".to_string()));
     }
 
+    /// #1694: `-ically` adverbs come from their `-ic` adjective (specific → specifically).
+    #[test]
+    fn ically_adverbs_are_known() {
+        for w in ["specifically", "scientifically", "automatically", "dramatically", "Specifically"] {
+            assert!(is_correct(w), "{w}");
+        }
+        for w in ["specificaly", "specifcally", "zzzically"] {
+            assert!(!is_correct(w), "{w}");
+        }
+    }
+
+    /// #1694 review: only `-ic` adjectives take `-ally`; other known words (dictionary or
+    /// supplement) don't.
+    #[test]
+    fn non_ic_words_do_not_take_ally() {
+        for (base, wrong) in [("desktop", "desktopally"), ("house", "houseally"), ("final", "finalally"), ("green", "greenally")] {
+            assert!(is_correct(base), "{base}");
+            assert!(!is_correct(wrong), "{wrong}");
+        }
+    }
+
     /// #520: common modern words (and their inflections) are known; misspellings still flagged.
     #[test]
     fn common_modern_words() {
diff --git a/docs/localization-parity.md b/docs/localization-parity.md
index 7e635759a..ac269368f 100644
--- a/docs/localization-parity.md
+++ b/docs/localization-parity.md
@@ -229,6 +229,7 @@ WordCraft keeps 2,54 cm).
 | 2026-10-13 | minor | Croatian interface catalog (2,507 entries, built-in style names shown translated), `hr-*` system locales, saved preference and font coverage checks; the template name "Letter" has its own `template` context so the paper size keeps its name; no Croatian proofing |
 | 2026-10-11 | minor | Hungarian interface catalog (2,419 entries, built-in style names shown translated; covers everything the interface audit finds), locale selection, saved preference and font coverage checks |
 | 2026-10-11 | minor | Turkish interface catalog (1,307 entries), locale selection, saved preference, Turkish casing in command search and font coverage checks; catalog sizes re-counted |
+| 2026-10-17 | trivial | English spelling (#1694): `-ically` adverbs come from their `-ic` adjective ("specifically", "scientifically"), so they're no longer flagged; other words don't take `-ally` ("desktopally" is still flagged) |
 | 2026-10-11 | trivial | English spelling (#520): our supplement `assets/spelling/en-extra.txt` adds ~220 common modern words the Moby list lacks ("desktop", "download", "email"…) |
 | 2026-10-10 | minor | Estonian interface catalog, locale selection, saved preference and font coverage checks; count labels put the noun first so they read right at 1 |
 | 2026-10-10 | minor | Serbian (Cyrillic and Latin) interface merged (#250) |