Deni sits next to 5 phonetic neighbors — Denny, Penny, and Jenny are the closest matches by sound. Most share Deni's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"follower of Dionysus"
"gift of God"
"God is my oath"
"faith"
"bright fame"
"bright fame, renowned"
"eagle rule, power"
"wise counsel, gentle (ewe)"
"follower of Christ"
"combination of Ra and dene (valley)"
"Gaelic form of Jane/Jean"
"free woman (via Chanel naming tradition)"
"gray fort or enclosure"
"fertile plain"
Similar sound: These names share phonetic patterns with Deni — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Deni.
Rhythm: Deni is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.