Blayne sits next to 3 phonetic neighbors — Blaine, Shane, and Wayne are the closest matches by sound. Most share Blayne's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"slender, lean, narrow"
"god of thunder and strength"
"God is salvation (via Joshua/Hebrew connection)"
"son of Hans (John)"
"God has helped"
"short form of Isaac"
"son of Jack"
"friend, darling"
"strong power"
"one who throws, thrower"
"dark blue"
"of the Titans, giant"
"youth, vital force"
"son of the heart/mind"
"beginning, origin, creation"
"land by the road"
"beam of light (via Ray)"
"peaceful pledge"
"dark, black-haired"
"hollow, seething pool"
"God is salvation"
Similar sound: These names share phonetic patterns with Blayne — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Blayne.
Rhythm: Blayne is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.