Ikaika sits next to 3 phonetic neighbors — Kai, Kaika, and Maika are the closest matches by sound. Most share Ikaika's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong, powerful"
"mythical bird of rebirth"
"slender, narrow one"
"will-helmet (determined guardian)"
"valley dweller"
"from Żagań (city in Poland)"
"The Lord is my God"
"people of the riverside forest"
"modern phonetic variant of Jacob"
"dignity, nobility"
"gift, good-natured"
"male infant, term of endearment"
"manly beauty, sun god"
"healer"
"bright, shining, moon-like"
"may God protect, supplanter"
"Dutch/Scandinavian spelling of Isaac from Yitzchak"
"chalice, cup"
"to make merry, celebrate boisterously"
"coal settlement; dark farmstead"
Similar sound: These names share phonetic patterns with Ikaika — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian origins, giving them the same cultural heritage as Ikaika.
Rhythm: Ikaika is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.