Doc sits next to 4 phonetic neighbors — Rock, Dock, and Lock are the closest matches by sound. Most share Doc's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"teacher, learned one"
"descendant of Raghallach"
"divine water (Zoroastrian)"
"great oak, strength"
"from the city of Troy"
"bold journey, brave traveler"
"modern American creation, gentle (from Kevin root)"
"son of Emery, ruler of work"
"son of Ay, moon's son (via Turkish)"
"watchful, alert, vigilant"
"from the court"
"stammering"
"occupational surname for a leather worker"
"the color blue, sky"
"to set, to place, to establish"
"son of Ken, son of the bold"
"modern invented name, creative variant"
"brother (fictional Inuit-inspired)"
"royal town or manor"
"cultivator, earth worker"
Similar sound: These names share phonetic patterns with Doc — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Doc.
Rhythm: Doc is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.