Almighty sits next to 3 phonetic neighbors — Almondine, Almirez, and Mighty are the closest matches by sound. Most share Almighty's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"all-powerful, omnipotent"
"dear one, beloved by the pool"
"of the highest class or quality"
"narrow strait, channel"
"covered in frost, icy"
"of great stature, the great one"
"victory of the people"
"intelligence, mind"
"Open land, wide expanse; one who ranges freely"
"one who lives near a spring or who springs"
"from the hall or manor house"
Similar sound: These names share phonetic patterns with Almighty — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Almighty.
Rhythm: Almighty is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.