Easton sits next to 4 phonetic neighbors — Aston, Easten, and Preston are the closest matches by sound. Most share Easton's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the east"
"bright, handsome"
"pledged to God"
"beautiful, flourishing"
"ruler of the elves"
"ray of light plus lake"
"noble"
"short form of Kimberly; from Kimberley, South Africa"
"The Lord is my God"
"victorious people (if from Nicole root)"
"maiden, daughter"
"little Mary"
"little king"
"full of grace"
"Who is like God? (rhetorical — no one)"
"artistic, impressionist"
"absorbed in God"
"song, melody, air"
"lurking rock, murmuring rock"
"invented phonetic name"
"battle worthy"
Similar sound: These names share phonetic patterns with Easton — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Easton.
Rhythm: Easton is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.