Shadow sits next to 3 phonetic neighbors — Shado, Meadow, and Shalom are the closest matches by sound. Most share Shadow's Old English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Shade or darkness cast by an object blocking light"
"dear, beloved"
"immortal, eternal"
"from the town by the sea"
"lover of churches, church devotee"
"Son of Nils (Neil); son of the champion"
"growth and abundance (via Zaid root)"
"pledge, oath"
"Comfort and consolation in times of distress"
"One who drives; hunter"
"modern coinage, possibly 'thankful lion'"
"divine gift (blended)"
"from Laurentum, laurel wreath"
"noble lord (compound creation)"
"modern coinage, gentle sound"
"courtesy title for an adult man"
"hunter, huntsman"
"to heal, healer"
"hope, aspiration"
Similar sound: These names share phonetic patterns with Shadow — 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 Shadow.
Rhythm: Shadow is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.