Ross sits next to 3 phonetic neighbors — Russ, Rawson, and Rhys are the closest matches by sound. Most share Ross's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"headland, promontory"
"mighty peace"
"power of the tribe"
"hound of the plain"
"warrior's estate"
"God enlightens, He shines"
"rich friend"
"no one equals God"
"handsome, fair one"
"brave spear, strong with a spear"
"staff of the Goths"
"small sheltered coastal bay"
"gift of God"
"great river, wide flowing water"
"bright, radiant"
"resolute protector"
"bright pledge, noble hostage"
"small, junior"
"ruler of the land"
"stellar explosion, burst of light"
"outer wall of a castle (bailey)"
Similar sound: These names share phonetic patterns with Ross — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Ross.
Rhythm: Ross is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.