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"
"thankful, God has heard"
"meadow land, fallow land"
"Yahweh is exalted"
"bold confidence, striking presence"
"one who tucks/stretches cloth"
"Son of Neil; champion lineage"
"variant of Amal, meaning work or action"
"modern invented name"
"from the laurel place"
"red king"
"good, excellent + blue"
"small victorious one"
"Comfort and consolation in times of distress"
"hunter, huntsman"
"archer, warrior of the yew"
"son of Hugh"
"deserving of praise, earned reward"
"red-haired, ruddy complexion"
"handsome, beautiful"
"wealth, prosperity, riches"
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.