Rasmus sits next to 4 phonetic neighbors — Erasmus, Ramus, and Magnus are the closest matches by sound. Most share Rasmus's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"beloved, desired"
Similar sound: These names share phonetic patterns with Rasmus — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Rasmus.
Rhythm: Rasmus is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.