Chadwick sits next to 4 phonetic neighbors — Brodwick, Hardwick, and Warwick are the closest matches by sound. Most share Chadwick's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"warrior's settlement, warrior's town"
"son of Hutch (Hugh)"
"coined name with futuristic feel"
"noble and ready, prepared for battle"
"shining, gracious"
"sacred songs, hymns of praise"
"excellent, fine"
"strong, powerful"
"short form of James, via Jacob from Ya'aqov"
"follower of Dionysus (god of wine)"
"Greece, Ionia (land of Greeks)"
"young male, beloved son"
"handsome, well-born"
"small place of worship"
"God is my judge (short form of Daniel)"
"bright fame"
"God heals, God supports"
"manly beauty, sun god"
"treetop"
"from the lake"
"enduring and given by God"
Similar sound: These names share phonetic patterns with Chadwick — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English ceadd + wic origins, giving them the same cultural heritage as Chadwick.
Rhythm: Chadwick is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.