Troi sits next to 4 phonetic neighbors — Troy, Roy, and Croy are the closest matches by sound. Most share Troi's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the city of Troy"
"light of God (related to Uriel)"
"grey land, from the grey lands"
"noble's settlement"
"venerable, great"
"world ruler"
"from Arcy (place name)"
"God is my justice"
"God is my help, my flock is God"
"of the valley"
"symbol of resilience and mourning"
"descendant of the gentle one"
"place of protection and calm"
"great, venerable"
"my God is Yahweh"
"roses"
"name of God"
"variant of Kylo; possibly from Greek kylos"
"modern invented name, possibly eight (from Octavian)"
"bright, luminous"
"little king"
Similar sound: These names share phonetic patterns with Troi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek/Latin origins, giving them the same cultural heritage as Troi.
Rhythm: Troi is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.