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"
"healer, physician"
"born of fire"
"free man"
"letter J, initial name"
"strong-willed, wise"
"God will hear"
"light, illumination"
"at the ford"
"one who finishes cloth"
"truth, from Hebrew Emmet meaning truth or faithfulness"
"one who saws wood"
"gracious, mild"
"royal ruler"
"king, royalty"
"of the bean growers (Fabii clan)"
"cheerful settlement"
"breath, vapor, impermanence"
"lion"
"from the people (damos)"
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.