Demica sits next to 4 phonetic neighbors — Demika, Demi, and Amica are the closest matches by sound. Most share Demica's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the earth, half (prefix demi-)"
"lasting"
"beautiful jewel"
"earth mother, devotee of Demeter"
"to strengthen together"
"life, she who lives (via -isha suffix)"
"Long-haired, one with beautiful hair"
Similar sound: These names share phonetic patterns with Demica — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Demica.
Rhythm: Demica is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.