Kollyns sits next to 3 phonetic neighbors — Collins, Collin, and Callins are the closest matches by sound. Most share Kollyns's Greek via Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"victory of the people (via Nicholas)"
"elf power"
"pearl"
"to dance"
"gate by a lake or moor"
"bird (from Germanic Avila)"
"rain (weather)"
"blue"
"pure, virginal"
"gift of God"
"white, holy, blessed ring"
"night angel"
"fern plant, feathery frond"
"woodland clearing"
"beautiful, rosebud"
"wealth, fortune"
"precious gem, treasure"
"modern invention combining Ana + Nyla"
"bright, cheerful, sunny"
"youthful"
"anointed one"
Similar sound: These names share phonetic patterns with Kollyns — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Latin origins, giving them the same cultural heritage as Kollyns.
Rhythm: Kollyns is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.