Novak sits next to 5 phonetic neighbors — Nova, Kovac, and Dvorak are the closest matches by sound. Most share Novak's Slavic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"newcomer, new person"
"round, barrel"
"satisfied, content"
"of the divine spirit"
"rejoice, be glad (via Gaius/Caio)"
"he is Yah (God)"
"estate on the River Aire"
"sky, heaven (root)"
"son of Jove"
"of the earth mother"
"one who sets things right"
"powerful, keen warrior"
"lion"
"earth (via Gaia connection)"
"God is gracious, son of Jack"
"lord, my lord"
"bright spirit, shining mind"
"my God is Yahweh"
"one who brings victory"
"valley of the River Kent"
"God is gracious"
Similar sound: These names share phonetic patterns with Novak — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Slavic origins, giving them the same cultural heritage as Novak.
Rhythm: Novak is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.