Thiago sits next to 4 phonetic neighbors — Santiago, Diego, and Mateo are the closest matches by sound. Most share Thiago's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter"
"He will laugh; laughter"
"bright, shining castle"
"gift of God, gift of Yahweh"
"light"
"Italian form of Henry, home ruler"
"man from Sebaste"
"messenger of God, divine messenger"
"youthful, downy-bearded"
"strong ruler, powerful leader"
"my God is Yahweh"
"famous warrior, renowned fighter"
"brave as a lion"
"friend, darling"
"God has given"
"may God protect (alternate)"
"people's triumph"
Similar sound: These names share phonetic patterns with Thiago — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Thiago.
Rhythm: Thiago is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.