Horace sits next to 4 phonetic neighbors — Morris, Boris, and Norris are the closest matches by sound. Most share Horace's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"relating to time or the hours"
"he enlightens"
"God is gracious"
"light, illumination"
"to descend, he who descended"
"thunder warrior, Thor's strength"
"at the barns, near the granary"
"slender warrior (Celtic phonetic elements)"
"battle camp"
"combination of brae (hillside) and -lon suffix"
"farmer, earthworker"
"enlightened, bright"
"one who delivers goods, agent"
"thankful warrior"
"having supreme power"
"from the willow farm"
"son of Flann (red-haired one)"
"red-haired one"
"royal title for kings children (Iberian)"
"sky-inspired modern name"
Similar sound: These names share phonetic patterns with Horace — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin hora (time) origins, giving them the same cultural heritage as Horace.
Rhythm: Horace is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.