Osher sits next to 3 phonetic neighbors — Asher, Oskar, and Oliver are the closest matches by sound. Most share Osher's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"happiness, good fortune"
"ancient one"
"gift of God (gift of Yahweh)"
"Stream, flowing"
"my people"
"beautiful name"
"gathering place, pool"
"daytime, daylight"
"one who departs on a journey"
"boundless, infinite, immeasurable"
"the Lord is my God"
"pure, clean, innocent"
"hand of God"
"fire of Yahweh"
"Of the moon god Sin; clay terrain"
"father is a lamp/candle"
"He whom Yahweh remembered"
"one who brings comfort"
"illusion, magic"
"gift of God"
Similar sound: These names share phonetic patterns with Osher — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Osher.
Rhythm: Osher is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.