Adrik sits next to 3 phonetic neighbors — Adrian, Cedric, and Hadric are the closest matches by sound. Most share Adrik's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from Hadria, dark and rich"
"possibly inspired by Zion, meaning monument or raised up"
"fortunate, prosperous one"
"pure one"
"to flow down, descend"
"aunt"
"the new house"
"large gun, powerful force"
"variant of Elias: my God is Yahweh"
"the Lord is salvation"
"priest's estate"
"new house"
"western field"
"security token"
"creative combination name"
"great tide, sea current"
"settlement by the brushwood"
"modern coinage, possibly 'thankful lion'"
"son, born of"
"dwelling, honor"
"son of Walter, ruler of the army"
Similar sound: These names share phonetic patterns with Adrik — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin via Slavic origins, giving them the same cultural heritage as Adrik.
Rhythm: Adrik is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.