Menno sits next to 4 phonetic neighbors — Benno, Fenno, and Enzo are the closest matches by sound. Most share Menno's Dutch-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strength, power"
"white"
"glory wolf"
"God has remembered"
"God-like, divine warrior"
"short form of Walter"
"home ruler"
"water meadow"
"consecrated, revered"
"bright spirit, shining mind"
"gift of God"
"gift of Yahweh"
"victorious people"
"famous ruler"
"shining, bright (via Hebrew Meir)"
"eagle ruler, eagle power"
"army man, warrior"
Similar sound: These names share phonetic patterns with Menno — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic/Frisian origins, giving them the same cultural heritage as Menno.
Rhythm: Menno is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.