Taran sits next to 4 phonetic neighbors — Taryn, Darian, and Aaron are the closest matches by sound. Most share Taran's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"thunder"
"graceful warrior"
"God is gracious"
"king, royal"
"slender, narrow"
"who is like God?"
"famous shouter, distinguished one"
"fit, shapely, graceful"
"high place, island"
"Ireland, land of the west"
"yellow, slender"
"speckled, freckled"
"supreme, excellent"
"holy one (of Dewi/David)"
"strong as a hound"
"stone ringfort, castle"
"beautiful; fair"
"land of the lochs, fjord-land (Scandinavia)"
"God is gracious (from Hebrew Yochanan via Welsh)"
Similar sound: These names share phonetic patterns with Taran — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Proto-Celtic origins, giving them the same cultural heritage as Taran.
Rhythm: Taran is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.