Leonid sits next to 3 phonetic neighbors — Leonard, Leonidas, and Leon are the closest matches by sound. Most share Leonid's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of the lion, lion-like"
"lord, master"
"destroyer"
"excellent end goal"
"son of Aphrodite, Sicilian king"
"God is gracious"
"divine gift, God-given"
"brave, lion-hearted"
"life"
"my God is Yahweh"
"blind one (folk etymology)"
"warrior spirit"
"myrrh, fragrant resin"
"immortal, undying"
"blissful, beatified"
"the anointed one"
"protector of men"
"Yahweh saves"
Similar sound: These names share phonetic patterns with Leonid — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek leon (lion) origins, giving them the same cultural heritage as Leonid.
Rhythm: Leonid is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.