Low sits next to 3 phonetic neighbors — Leo, Lowe, and Lo are the closest matches by sound. Most share Low's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"hill, mound, burial tumulus"
"healing, wholesome"
"forester, keeper of the forest"
"Herd farm or livestock enclosure"
"bold counsel"
"hill of the people"
"meadow by the bow or bend"
"surname of English origin, possibly place or occupational"
"heavenly messenger"
Similar sound: These names share phonetic patterns with Low — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Low.
Rhythm: Low is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.