Andy sits next to 4 phonetic neighbors — Andie, Randy, and Sandy are the closest matches by sound. Most share Andy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"manly, brave"
"of Mars, warlike"
"glory and power"
"servant of God"
"white/pale (from Cas people)"
"son of Ridge"
"great, venerable, majestic"
"God is my help, help of God"
"crow, dark bird"
"healer (from Greek Jason)"
"who is like God"
"truly brave, genuinely bold"
"home ruler"
"strong, virtuous"
"renowned in battle"
"saved by God"
"bear, bear king"
"Yahweh is merciful"
"one who lives near a riverbank"
"dear one of God"
"son of the lion"
Similar sound: These names share phonetic patterns with Andy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Andy.
Rhythm: Andy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.