Connie sits next to 4 phonetic neighbors — Ronnie, Donnie, and Johnnie are the closest matches by sound. Most share Connie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bold counsel"
"love, loving memory"
"from the flat plain (geographic Irish sense)"
"earthly"
"exalted, sublime"
"gentle, innocent one"
"coast, side"
"shield wolf"
"Visible, clear, bright; the island of light"
"lavender plant, one who washes"
"son of Zavier; new house, bright"
Similar sound: These names share phonetic patterns with Connie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Connie.
Rhythm: Connie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.