Nox sits next to 4 phonetic neighbors — Knox, Fox, and Rex are the closest matches by sound. Most share Nox's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"night"
"king"
"mountain of strength, exalted"
"long-lived, permanent"
"of gold, golden one"
"shining glory"
"right-handed, skillful"
"famous land, fame of the land"
"son of Brice"
"slender, narrow"
"farmer, steward of land"
"God's friend, divine companion"
"gentle wind"
"strong and steadfast"
"slender youth, young warrior"
"of Anthony, son of Anthony (via De- prefix)"
"hay valley"
"peace (folk etymology)"
"my God is Yahweh"
"most beautiful"
Similar sound: These names share phonetic patterns with Nox — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Nox.
Rhythm: Nox is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.