Itsue sits next to 4 phonetic neighbors — Itsuki, Itsumi, and Itsuko are the closest matches by sound. Most share Itsue's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one blessing"
"vision, inner sight"
"of the garden, garden woman"
"courageous heart"
"new beginning, sunrise"
"of the Verginius family"
"from the alder grove"
"victorious; conquering"
"luminous, shining"
"possibly from verbal, meaning spoken word"
"lady, mistress of the house"
"soft-spoken; quiet one"
"lighthouse, lantern, beacon"
Similar sound: These names share phonetic patterns with Itsue — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Itsue.
Rhythm: Itsue is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.