Dom sits next to 3 phonetic neighbors — Tom, Ron, and Don are the closest matches by sound. Most share Dom's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"belonging to the Lord"
"bearer of Christ"
"chief, royal descendant"
"bold ruler, chief power"
"royal town or manor"
"of the Julian family, descended from Jupiter"
"worthy, powerful"
"farmer, steward of land"
"peaceful, tranquil"
"wealthy, prosperous"
"right-handed, skillful"
"gift of Isis"
"intelligent, gifted"
"one who strides, ranger, wanderer"
"son of Tenney"
"living water, strength"
"foreigner, of the Welsh"
"beautiful mountain"
"new settlement"
"bright, bold (from 'Kash' element)"
"godly, divine"
Similar sound: These names share phonetic patterns with Dom — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Dom.
Rhythm: Dom is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.