Devon sits next to 4 phonetic neighbors — Devin, Kevin, and Evan are the closest matches by sound. Most share Devon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"deep valley dwellers"
"rib, side"
"wild rose, thorny shrub"
"beloved of God"
"speckled, freckled"
"ash tree settlement"
"admirable, worthy"
"son of Aodh (fire)"
"worthy of praise"
"bright, full of sunshine"
"protector of people"
"home on the wooded hill"
"open grassy land"
"lowlands"
"Saint Anne"
"one who thatches roofs"
"lasting impact, heritage"
"barrel maker, cask craftsman"
"home power, ruler of work"
"scholar"
"dark settlement"
Similar sound: These names share phonetic patterns with Devon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic origins, giving them the same cultural heritage as Devon.
Rhythm: Devon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.