Cristo sits next to 4 phonetic neighbors — Christo, Christopher, and Cristobal are the closest matches by sound. Most share Cristo's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Christ-bearer, bearing the anointed one"
"angel of the highest order"
"God is gracious (via John/Juan origin)"
"graceful, elegant"
"of the wine, from the vineyard"
"devoted to Demeter, of the earth goddess"
"new house, bright abode"
"Yahweh saves"
"consecrated to Mars"
"son of the father with same name"
"cross, the Christian cross"
"red (from Spanish rojas)"
"olive tree"
"strife, discord"
"messenger of God"
"Yahweh is merciful"
"defender of mankind"
"exalted father"
"victory of the people"
"venerable, revered"
"dark-complexioned"
Similar sound: These names share phonetic patterns with Cristo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Spanish origins, giving them the same cultural heritage as Cristo.
Rhythm: Cristo is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.