Case sits next to 4 phonetic neighbors — Chase, Ace, and Casey are the closest matches by sound. Most share Case's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"maker of cases or boxes"
"son of Nicholas, son of Nick"
"help, helper"
"land where rye is grown"
"deliverance of God"
"the fifth-born child"
"brave in battle"
"vigor and power"
"handsome, cheerful"
"son of Edie (son of Edward)"
"invented name, no established etymology"
"Thor's stone"
"statement of belief, system of faith"
"glory of the land"
"continuous improvement"
"supplanter"
"bald (short for Calvin from Latin Calvinus)"
"garden, vineyard"
"peace, complete"
"heart, mind settlement"
"group, band, team"
Similar sound: These names share phonetic patterns with Case — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French casse/Latin capsa origins, giving them the same cultural heritage as Case.
Rhythm: Case is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.