Zinnia sits next to 4 phonetic neighbors — Zinnia, Lydia, and Olivia are the closest matches by sound. Most share Zinnia's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"a bright flowering plant, named after botanist Johann Gottfried Zinn"
"sorrow, regret"
"from the raven meadow (possible)"
"wished-for child"
"claw, fingernail (Greek)"
"great one"
"ascent, going up"
"from the marshy ground"
"beautiful fragrance"
"endurance, patient suffering"
"God has favored me, gracious one"
"beloved, dear one"
"from the Lorraine region of France"
"beloved, of the sea"
"voice, sound"
"joy, happiness, delight"
"beautiful, rosebud"
"gift of God"
"descendant of the dark challenger"
"my God is abundance"
Similar sound: These names share phonetic patterns with Zinnia — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin/German origins, giving them the same cultural heritage as Zinnia.
Rhythm: Zinnia is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.