Kidus sits next to 3 phonetic neighbors — Kadus, Cyrus, and Kiddo are the closest matches by sound. Most share Kidus's Ge'ez (Classical Ethiopic)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"holy, sacred"
Similar sound: These names share phonetic patterns with Kidus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ge'ez (Classical Ethiopic) origins, giving them the same cultural heritage as Kidus.
Rhythm: Kidus is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.