Leonice sits next to 4 phonetic neighbors — Leontine, Leonie, and Bernice are the closest matches by sound. Most share Leonice's French-origin cluster, so the rhythm and vowel shape carry across the list.
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"little lion"
"valley"
"calm, serene"
"happy, fortunate"
"moon goddess, lunar"
"from Thera (island)"
"steadfast, faithful, constant"
"dear one, cherished"
"beloved, wished-for child"
"happy, fortunate, blessed"
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"variant of Nile river name"
Similar sound: These names share phonetic patterns with Leonice — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Leonice.
Rhythm: Leonice is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.