Joss sits next to 2 phonetic neighbors — Josh and Ross are the closest matches by sound. Most share Joss's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"one of the Goths"
"vigilant, watchful"
"priceless, praiseworthy"
"one who mows or cuts"
"handsome, distinguished"
"warrior, man of valor"
"surname used as given name"
"to gain, to win, to cultivate"
"sun, throne"
"son of Kyle"
"Spiritual refuge and inner peace"
"drawn out of the water"
"gift from God"
"quality, excellence of character"
"little king, kingly"
"to tame (via Damian root)"
"son of Alexander (defender of men)"
"fire of God, God is my light"
"twin (loose association)"
"hawk, falcon"
"slender, narrow (from Irish Caolan)"
Similar sound: These names share phonetic patterns with Joss — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Joss.
Rhythm: Joss is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.