Ixcel sits next to 3 phonetic neighbors — Ixchel, Itzel, and Isabel are the closest matches by sound. Most share Ixcel's Mayan-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Moon goddess; lady of the rainbow; goddess of medicine and weaving"
"soap, purity"
"possibly swift warrior or traveling battle"
"from France; Frankish person"
"hill"
"bearer of Christ"
"wished for, longed for"
"modern invented name; no traditional etymology"
Similar sound: These names share phonetic patterns with Ixcel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Mayan origins, giving them the same cultural heritage as Ixcel.
Rhythm: Ixcel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.