Josh sits next to 3 phonetic neighbors — Joss, Joel, and Ross are the closest matches by sound. Most share Josh's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is salvation"
"powerful ruler"
"savior, one who saves"
"jet black, black gemstone"
"rival, eager to emulate"
"rare, extraordinary"
"the Persian"
"middle of the plain (city name)"
"wolf"
"scholar"
"son of Dubhagan (little dark one)"
"rejoice, delight"
"ruler of the world"
"man, husband (archaic)"
"American creative variant of Trevor"
"payment, redemption (word association)"
"elder, one of authority"
"one who illuminates, enlightener"
"huckleberry berry plant"
"Yahweh has given"
"little fire; battle-worthy"
Similar sound: These names share phonetic patterns with Josh — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Josh.
Rhythm: Josh is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.