Dev sits next to 4 phonetic neighbors — Dave, Deb, and Kev are the closest matches by sound. Most share Dev's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divine, god"
"set apart, destined"
"serpent's mouth"
"grace, beauty, ornament"
"modern invented name, possibly 'sincere air' or 'great river'"
"leader, sovereign"
"little poet, little philosopher"
"to know, understanding"
"wealthy gift"
"handsome, radiant one"
"little Aodh (fire deity)"
"boundary wood"
"modern invented name"
"of the Vergilii clan, flourishing"
"modern coined name, variant of Kyson"
"peace, security"
"creative elaboration of Finn"
"strength"
"high settlement or estate"
"cross, crossroads"
Similar sound: These names share phonetic patterns with Dev — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Dev.
Rhythm: Dev is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.