Deja sits next to 4 phonetic neighbors — Deja, Naja, and Shea are the closest matches by sound. Most share Deja's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sense of familiarity"
"song, poem"
"night, darkness"
"God is my strength (short form of Hezekiah)"
"priceless, praiseworthy"
"unique, noble"
"lily flower, purity"
"pleasantness, beauty"
"little soul, soulful one"
"born at dawn, of the light"
"little dark one"
"holder of the heel, supplanter"
"white peace, fair and blessed"
"mountain of strength"
"bird"
"my helper, my aid"
"princess (via Amira)"
"elaboration of Jana/Janae"
"people's triumph"
"measured motion, proportion"
"brave woodland clearing"
Similar sound: These names share phonetic patterns with Deja — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French origins, giving them the same cultural heritage as Deja.
Rhythm: Deja is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.