diff --git a/Cargo.lock b/Cargo.lock
index 811d8376a..d31511154 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1225,6 +1225,15 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "383d29d513d8764dcdc42ea295d979eb99c3c9f00607b3692cf68a431f7dca72"
 
+[[package]]
+name = "bip39"
+version = "2.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90dbd31c98227229239363921e60fcf5e558e43ec69094d46fc4996f08d1d5bc"
+dependencies = [
+ "bitcoin_hashes",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.8.0"
@@ -3307,6 +3316,13 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "gem_keystore"
+version = "1.0.0"
+dependencies = [
+ "bip39",
+]
+
 [[package]]
 name = "gem_near"
 version = "1.0.0"
@@ -3578,6 +3594,7 @@ dependencies = [
  "gem_hash",
  "gem_hypercore",
  "gem_jsonrpc",
+ "gem_keystore",
  "gem_near",
  "gem_polkadot",
  "gem_solana",
diff --git a/Cargo.toml b/Cargo.toml
index 007cf9aac..f5c8c9eea 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -115,6 +115,7 @@ sui-types = { package = "sui-sdk-types", version = "0.3.0", features = [
     "serde",
 ] }
 k256 = { version = "0.13.4", features = ["ecdsa", "sha256"] }
+bip39 = { version = "2.2.2", default-features = false }
 
 uniffi = { version = "0.31.1" }
 regex = { version = "1.12.3" }
diff --git a/crates/gem_keystore/Cargo.toml b/crates/gem_keystore/Cargo.toml
new file mode 100644
index 000000000..5d1025ad0
--- /dev/null
+++ b/crates/gem_keystore/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "gem_keystore"
+version = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+bip39 = { workspace = true }
diff --git a/crates/gem_keystore/src/lib.rs b/crates/gem_keystore/src/lib.rs
new file mode 100644
index 000000000..fbbe1bbd4
--- /dev/null
+++ b/crates/gem_keystore/src/lib.rs
@@ -0,0 +1,3 @@
+mod mnemonic;
+
+pub use mnemonic::Mnemonic;
diff --git a/crates/gem_keystore/src/mnemonic.rs b/crates/gem_keystore/src/mnemonic.rs
new file mode 100644
index 000000000..da45efdd6
--- /dev/null
+++ b/crates/gem_keystore/src/mnemonic.rs
@@ -0,0 +1,28 @@
+use bip39::Language;
+
+pub struct Mnemonic;
+
+impl Mnemonic {
+    pub fn suggest(prefix: &str) -> Vec<String> {
+        let prefix = &prefix.trim().to_lowercase();
+        if prefix.is_empty() {
+            return Vec::new();
+        }
+        Language::English.words_by_prefix(prefix).iter().map(|word| word.to_string()).collect()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_suggest() {
+        assert_eq!(Mnemonic::suggest("woo"), vec!["wood", "wool"]);
+        assert_eq!(Mnemonic::suggest("abandon"), vec!["abandon"]);
+        assert_eq!(Mnemonic::suggest("woof"), Vec::<String>::new());
+
+        let all_words = Mnemonic::suggest(" ");
+        assert_eq!(all_words.len(), 0);
+    }
+}
diff --git a/gemstone/Cargo.toml b/gemstone/Cargo.toml
index 8830c12d7..623dbaeab 100644
--- a/gemstone/Cargo.toml
+++ b/gemstone/Cargo.toml
@@ -41,6 +41,7 @@ gem_xrp = { path = "../crates/gem_xrp", features = ["rpc", "signer"] }
 gem_near = { path = "../crates/gem_near", features = ["rpc", "signer"] }
 gem_polkadot = { path = "../crates/gem_polkadot", features = ["rpc", "signer"] }
 gem_wallet_connect = { path = "../crates/gem_wallet_connect" }
+gem_keystore = { path = "../crates/gem_keystore" }
 chain_traits = { path = "../crates/chain_traits" }
 signer = { path = "../crates/signer" }
 number_formatter = { path = "../crates/number_formatter" }
diff --git a/gemstone/src/keystore.rs b/gemstone/src/keystore.rs
new file mode 100644
index 000000000..6d2c7c7b4
--- /dev/null
+++ b/gemstone/src/keystore.rs
@@ -0,0 +1,17 @@
+use gem_keystore::Mnemonic;
+
+#[uniffi::export]
+pub fn suggest_recovery_phrase_words(prefix: &str) -> Vec<String> {
+    Mnemonic::suggest(prefix)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_suggest_recovery_phrase_words() {
+        assert_eq!(suggest_recovery_phrase_words("woo"), vec!["wood", "wool"]);
+        assert_eq!(suggest_recovery_phrase_words("woof"), Vec::<String>::new());
+    }
+}
diff --git a/gemstone/src/lib.rs b/gemstone/src/lib.rs
index d6209cd07..942f51776 100644
--- a/gemstone/src/lib.rs
+++ b/gemstone/src/lib.rs
@@ -9,6 +9,7 @@ pub mod deeplink;
 pub mod ethereum;
 pub mod gateway;
 pub mod gem_swapper;
+pub mod keystore;
 pub mod message;
 pub mod models;
 pub mod network;