Tatum sits next to 4 phonetic neighbors — Tate, Payton, and Peyton are the closest matches by sound. Most share Tatum's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"cheerful settlement"
"Twin"
"the one to whom it belongs"
"follower of Christ; anointed one"
"treasurer, bringer of treasure"
"a church official or head"
"modern blend of Kyle and Tyler"
"great warrior, one who cuts down"
"praised, thankful"
"God-like"
"free man"
"divine present"
"God is gracious"
"keeper of the game preserve"
"broad clearing in the woods"
"wayside land, roadside settlement"
"the blessed one"
"God judges"
"little star"
"lover of churches"
Similar sound: These names share phonetic patterns with Tatum — 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 Tatum.
Rhythm: Tatum is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.