Devan sits next to 4 phonetic neighbors — Devon, Devin, and Evan are the closest matches by sound. Most share Devan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little deer (Irish)"
"falcon of the Guru, brave warrior of the Guru"
"peaceful ruler"
"with melody, melodious"
"initial-name, typically Andrew James or Anthony John"
"place name: from Kelton"
"noble son"
"defender, protector, warrior"
"knight, mounted warrior"
"powerful ruler's son"
"brave one, bold and courageous"
"powerful leader"
"defender of men"
"noble, warrior, of high birth"
"perfection, excellence, completeness"
"bent river"
"air, atmosphere"
"the winter season, wet season"
"shining with glory"
"of the forest, woodland"
"lord, master"
Similar sound: These names share phonetic patterns with Devan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Devan.
Rhythm: Devan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.