Matheus sits next to 4 phonetic neighbors — Matthew, Matthias, and Marcus are the closest matches by sound. Most share Matheus's Portuguese-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"given by Yahweh"
"garden, orchard (as short for Carmelo)"
"yew tree army"
"little rock, harmony"
"praiseworthy"
"defender of the people"
"rulers advisor, mighty counselor"
"crowned with laurel"
"divinely famous, famous through God"
"gift of God"
"son of Lars (son of Lawrence)"
"love of God, God's beloved"
"from Lucania"
"God is my strength"
"shining army"
"small, humble"
"supplanter (via Jacob/James)"
Similar sound: These names share phonetic patterns with Matheus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Matheus.
Rhythm: Matheus is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.