Locke sits next to 3 phonetic neighbors — Lock, Logan, and Luke are the closest matches by sound. Most share Locke's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"place by a waterway lock"
"son of"
"follower of Christ, anointed one"
"man of the forest"
"knight, mounted warrior"
"vision, ghost"
"noble, warrior, of high birth"
"shining, brilliant"
"symbol of Christian faith"
"wood, forest"
"stone of the flank (kidney healing)"
"oak tree"
"son of Hudde (son of Hugh)"
"Greece, land of wine"
"of the people (from Germanic Deutsch)"
"success, triumph (from Arabic Najah)"
"God has upheld, supported by God"
"calmness, depth, trust"
"beacon hill"
"helper of God"
"initial-name, typically Andrew James or Anthony John"
Similar sound: These names share phonetic patterns with Locke — 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 Locke.
Rhythm: Locke is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.