Poppi sits next to 4 phonetic neighbors — Poppy, Polly, and Penny are the closest matches by sound. Most share Poppi's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the poppy flower"
"messenger of the gods"
"joyful, spirited (invented blend)"
"brave and powerful"
"oath of God"
"victory"
"whole, universal, entire"
"noble, of noble kind"
"pure (via Katherine)"
"heavenly, belonging to the sky"
"of the Cheyenne Nation"
"slender and fair"
"night, dark beauty"
"faith"
"golden, of gold"
"of or belonging to a king"
"pure, slender"
"pure, innocent"
"weary, delicate"
"daughter of the sea"
"rose flower, pink-colored"
Similar sound: These names share phonetic patterns with Poppi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English 'popæg' origins, giving them the same cultural heritage as Poppi.
Rhythm: Poppi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.