Harley sits next to 4 phonetic neighbors — Harlow, Charlie, and Marley are the closest matches by sound. Most share Harley's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"long meadow, rocky meadow"
"defender of men"
"brave in battle"
"of manly valor, from Andre"
"herb garden settlement"
"great, venerable"
"craftsman of fermented beverages"
"son of the victor"
"supplanter, one who follows"
"born at dawn"
"plow blade maker or user"
"renowned warrior"
"well-spoken"
"new house"
"western town"
"none compares to God"
"God is gracious"
"Yahweh has shown favor"
"father of peace"
"one who catches fish"
Similar sound: These names share phonetic patterns with Harley — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Harley.
Rhythm: Harley is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.