Muhammad sits next to 4 phonetic neighbors — Mohammed, Mohammad, and Mohamed are the closest matches by sound. Most share Muhammad's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"praiseworthy, highly praised"
"man from South Munster"
"mountain of strength; exalted"
"sovereign, owner"
"earth (in Arabic, adama)"
"intimate friend, close companion"
"father is exalted"
"God hears"
"man of peace"
"the victorious, the conqueror"
"prince, commander"
"beauty, grace, excellence"
"exalted father"
"letter J, initial name"
Similar sound: These names share phonetic patterns with Muhammad — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Muhammad.
Rhythm: Muhammad is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.