Carter sits next to 3 phonetic neighbors — Carson, Harper, and Carver are the closest matches by sound. Most share Carter's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"One who transports goods by cart; cart driver"
"son of the sea, great tide"
"Jehovah is God; the Lord is my God"
"salvation of God, the Lord saves"
"the new house"
"soldier"
"God is gracious"
"God is gracious"
"light, bringer of light"
"merciful, gentle"
"beloved, darling"
"son of the grey-haired one"
"upright, fair"
"crooked, enclosed valley"
"lion"
"manly, brave"
"Roman colony at the lake"
"one who lives near a brook"
"earth (in Arabic, adama)"
"hero of God, man of God"
Similar sound: These names share phonetic patterns with Carter — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Carter.
Rhythm: Carter is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.