Tiago sits next to 4 phonetic neighbors — Diego, Santiago, and Thiago are the closest matches by sound. Most share Tiago's Portuguese-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter (from Jacob/James)"
"God is gracious"
"God's vineyard"
"God is my judge"
"God is my strength"
"Christian cross, symbol of faith"
"the Lord supports"
"Yahweh is merciful"
"free man, Frenchman"
"ruler of the home"
"farmer, earth-worker"
"God is my troop, God is my strength"
"related to Mary, beloved"
"peace"
"bearer of Christ"
"beloved of God"
"famous warrior"
Similar sound: These names share phonetic patterns with Tiago — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Latin origins, giving them the same cultural heritage as Tiago.
Rhythm: Tiago is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.