Finnick sits next to 4 phonetic neighbors — Finn, Finnic, and Finley are the closest matches by sound. Most share Finnick's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fair, white (from Finn)"
"praised (from Judah/Yehuda)"
"one who builds"
"modern invented name, possibly 'noble leader'"
"fair-haired, blonde head"
"son of Hans/John"
"God has given"
"crew, team"
"emperor, supreme ruler"
"eagle"
"grey hill, army hill"
"land of Eoghan (Owen)"
"dark settlement, coal town"
"Yahweh saves"
"fair, attractive"
"brave lion, lion-hearted"
"that which is true or real"
"western town, western settlement"
"warlike, martial"
"victory of the people"
"he who resembles God (rhetorical)"
Similar sound: These names share phonetic patterns with Finnick — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish/Old Irish fionn origins, giving them the same cultural heritage as Finnick.
Rhythm: Finnick is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.