Tobias sits next to 3 phonetic neighbors — Toby, Thomas, and Matthias are the closest matches by sound. Most share Tobias's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is good; Yahweh is good"
"God hears"
"messenger of God"
"from Grantham"
"Jehovah is my God"
"lives near reeds"
"mild, peaceful"
"round barrel, lump"
"of the forest"
"broad valley, broad hillside"
"son of Andrew (manly)"
"handsome"
"keeper of the game preserve"
"of Mars, warlike"
"between two hills"
"shelter, dwelling"
"one who resembles God"
"peace power"
"one who transports goods by cart"
"hawk of the plain"
"whole, universal power"
Similar sound: These names share phonetic patterns with Tobias — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Tobias.
Rhythm: Tobias is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.