Thor sits next to 2 phonetic neighbors — Tor and Thore are the closest matches by sound. Most share Thor's Norse-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"thunder"
"modern invented name combining Jay and -ven"
"one who sails, mariner"
"from the deep valley, Devon land"
"God is gracious"
"invented by Sir Walter Scott, based on Old English Cerdic"
"Gods flame"
"of the (invented compound)"
"son of Dax"
"chamber, enclosed space"
"noble friend"
"kind birth"
"from the badger settlement"
"Charles's settlement"
"three (via Trey prefix)"
"American creative variation"
"strength, resolve, hardness (word name)"
"eternal, immortal"
"precious, supremely valuable"
"my inheritance"
"one of a kind, without equal"
Similar sound: These names share phonetic patterns with Thor — 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 Thor.
Rhythm: Thor is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.