Tom sits next to 3 phonetic neighbors — Tim, Tommy, and Thom are the closest matches by sound. Most share Tom's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"twin"
"dark complexion"
"God has healed"
"surname used as honor name"
"God is gracious"
"one who judges, discerning leader"
"thunder"
"estate of willows"
"ancestor's descendant"
"morning star (Venus before sunrise)"
"calm, tranquil"
"flower sound"
"handsome, gentle"
"Brock's town, badger settlement"
"joyful outcry"
"strong power"
"eagle land"
"servant, attendant"
"invented by Sir Walter Scott, based on Old English Cerdic"
"gift from God (popular interpretation)"
"royal dignity, greatness, grandeur"
Similar sound: These names share phonetic patterns with Tom — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Aramaic origins, giving them the same cultural heritage as Tom.
Rhythm: Tom is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.