Oswald sits next to 4 phonetic neighbors — Gerald, Harold, and Osbert are the closest matches by sound. Most share Oswald's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine power, God's rule"
"hunter"
"high son, chieftain"
"friend of God, beloved by God"
"gift of God"
"ocean person"
"son of Brice; son of Bryce"
"rain, precipitation"
"from the swampy land"
"wanderer"
"man of Rome"
"modern invented name"
"supported by Yahweh"
"rule, measuring rod"
"victory; honor"
"champion, cloud"
"dark red, crimson"
"fortified camp, military settlement"
"little fire"
"servant, worshipper of God"
"search, journey, adventure"
Similar sound: These names share phonetic patterns with Oswald — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English os weald origins, giving them the same cultural heritage as Oswald.
Rhythm: Oswald is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.