Mathew sits next to 4 phonetic neighbors — Matthew, Nathan, and Thaddeus are the closest matches by sound. Most share Mathew's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gift of God, gift of Yahweh"
"high guardian, high watchman"
"stammering, lisping"
"spiritually reborn through baptism"
"high place, elevated land"
"free man"
"made by God"
"little fire"
"one who brings news"
"one who thatches roofs"
"shining glory"
"who is like God"
"son of Aodh (fire)"
"son of the wealthy guardian"
"behold, a son"
"God is gracious"
"help, helper"
"son of Walter"
"bounty, kindly, beloved"
"city of the moon"
"dark blue water"
Similar sound: These names share phonetic patterns with Mathew — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Mathew.
Rhythm: Mathew is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.