Sparrow sits next to 4 phonetic neighbors — Arrow, Harrow, and Farrow are the closest matches by sound. Most share Sparrow's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the sparrow bird"
"new house"
"enclosure, yard, garden"
"from the settlement near St. Botolph"
"little fire"
"forest meadow"
"rock, fortress"
"counsel, advice"
"unique, one of a kind"
"place of glamour and royalty (associative)"
"coal town; settlement by the coal"
"food, sustenance"
"warrior, slayer"
"son of Jens"
"dear, beloved"
"flowing river, running water"
"jackdaw (intelligent crow-family bird)"
"from Britain, Briton"
"Creative African American name; strong and distinctive"
Similar sound: These names share phonetic patterns with Sparrow — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English spearwa origins, giving them the same cultural heritage as Sparrow.
Rhythm: Sparrow is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.