Excel sits next to 3 phonetic neighbors — Axel, Excelle, and Elsa are the closest matches by sound. Most share Excel's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"to rise above, to stand out"
"peacock"
"grace, eternal, unfading"
"beloved"
"Blend of Dee and Asia; gift or joy"
"Night; dark beauty (elaboration of Layla)"
"variant of Everett — brave, strong boar"
"air, atmosphere"
"gazelle"
"beautiful rose"
Similar sound: These names share phonetic patterns with Excel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Excel.
Rhythm: Excel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.