Gema sits next to 4 phonetic neighbors — Gemma, Jema, and Emma are the closest matches by sound. Most share Gema's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"gem, precious jewel"
"blessed, happy one"
"pure, clear"
"pearl"
"helper, one who assists"
"attainer, achiever"
"sea of bitterness (via Mary/Myra)"
"flowing water, stream"
"fairy queen"
"noble, distinguished"
"lapis lazuli"
"jasmine-like flower"
"love, joy"
"brilliant, shining"
"star"
"born at dawn, of the light"
"enjoyment of the best"
"ambergris, precious amber gem"
"YHWH is gracious"
"grace, favor"
Similar sound: These names share phonetic patterns with Gema — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Gema.
Rhythm: Gema is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.