Taeko sits next to 4 phonetic neighbors — Naeko, Kaeko, and Saeko are the closest matches by sound. Most share Taeko's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"child of abundant grace"
"spear ruler, noble one"
"dark-complexioned warrior"
"bitter, beloved"
"victory of the people"
"strong"
"truth (from Alethea root)"
"lady, mistress of the house"
"sunray, shining light"
"good victory"
"dove, peaceful one"
"famous"
"crown"
"honey world"
Similar sound: These names share phonetic patterns with Taeko — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese 多恵子 origins, giving them the same cultural heritage as Taeko.
Rhythm: Taeko is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.