Walden sits next to 5 phonetic neighbors — Holden, Walton, and Waldo are the closest matches by sound. Most share Walden's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"dweller in the forest"
"miracle of God"
"the smallest unit of matter"
"rock, stone"
"truth, sound"
"God is gracious"
"young warrior"
"gate keeper"
"God is my helper"
"writing feather, quill pen"
"son of Adam"
"wealthy friend, divine wealth"
"son of the eternal king"
"guardian, protector (by extension)"
"fair outlook"
"ocean wave, moving water"
"peace-keeper, destroyer of enemies' glory"
"protector of mankind"
"modern variant combining Arabic root with contemporary spelling"
"little fire, flame"
"fair, lawful"
Similar sound: These names share phonetic patterns with Walden — 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 Walden.
Rhythm: Walden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.