Thoran sits next to 4 phonetic neighbors — Thorin, Dorian, and Ronan are the closest matches by sound. Most share Thoran's Norse-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"thunder, of Thor"
"good, kind"
"of great stature, the great one"
"cold, icy in manner"
"house, dwelling (French-inspired)"
"Open land, wide expanse; one who ranges freely"
Similar sound: These names share phonetic patterns with Thoran — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Thoran.
Rhythm: Thoran is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.