Yohan sits next to 4 phonetic neighbors — Johann, Johan, and John are the closest matches by sound. Most share Yohan's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"lover of God"
"god-helmet"
"peaceful ruler"
"my power is God"
"man from Hadria"
"from the Eider river"
"ruler of the home"
"leader, lord"
"of the earth, earthly"
"old, wise, of noble birth"
"attainer, one who gains"
"warrior"
"raven-like, dark as a raven"
"slender, narrow"
"emperor, ruler"
"victory of the people"
"divine presence"
"gift of God, gift of Yahweh"
Similar sound: These names share phonetic patterns with Yohan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew Yochanan origins, giving them the same cultural heritage as Yohan.
Rhythm: Yohan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.