Tinnelle sits next to 4 phonetic neighbors — Tinelle, Danielle, and Shanelle are the closest matches by sound. Most share Tinnelle's French/American-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little one (from French -elle suffix)"
"sunrise, east"
"little Denna"
"the greenery"
"blessing, auspicious mark"
"God is gracious"
"excellence, virtue"
"beautiful, shining"
"Moon goddess; lunar deity"
Similar sound: These names share phonetic patterns with Tinnelle — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French/American origins, giving them the same cultural heritage as Tinnelle.
Rhythm: Tinnelle is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.