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"
"Canaan, land of merchants"
"little fire"
"large gun, artillery piece"
"see, a son is born"
"one who thatches roofs"
"shining with fame"
"Gomeric's mountain, power mountain"
"place of hawks, kite's settlement"
"son of Neil, son of the champion"
"short form of Wesley or Weston"
"son of the firebrand (short for Tyson)"
"dark blue water"
"selected, chosen"
"great fort, spacious hill"
"the island, island dweller"
"God-like"
"boisterous, spirited, lively"
"high stronghold, fort on the headland"
"brave in power"
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.