Dave sits next to 3 phonetic neighbors — David, Dav, and Dev are the closest matches by sound. Most share Dave's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"uncle"
"one who catches fish"
"of the forest, wood dweller (via Silas)"
"descendant of Jenkin"
"one who creates art"
"god's field, divine meadow"
"sea fortress"
"modern American name, strong and leading"
"powerful natural force"
"son of Ty (informal)"
"settlement by a bird-trap"
"Dutch diminutive form of Adriaan"
"peaceful ruler"
"variant of Alexander (defender of men)"
"deserving, worthy"
"grace, blessing"
"settlement by the bridge"
"rocky stream"
"son of Hays, hedged area"
"English place name surname"
"God is gracious (related to Yohanan)"
Similar sound: These names share phonetic patterns with Dave — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Dave.
Rhythm: Dave is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.