Blaine sits next to 4 phonetic neighbors — Blake, Lane, and Blaze are the closest matches by sound. Most share Blaine's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"yellow, golden"
"God-like"
"God supports, Yahweh supports"
"beloved of God"
"vigilant in battle"
"highest point, God's place"
"elf warrior"
"God has given"
"descendant of the king"
"God has remembered, remembered by God"
"salmon"
"without wax, pure"
"God is gracious"
"crow, raven"
"from Scotland, a Scotsman"
"agreement to stop fighting, temporary peace"
"one who pursues"
"shining with fame"
"bold place, wild settlement"
Similar sound: These names share phonetic patterns with Blaine — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish/Gaelic origins, giving them the same cultural heritage as Blaine.
Rhythm: Blaine is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.