Bennett sits next to 4 phonetic neighbors — Benet, Bennet, and Brent are the closest matches by sound. Most share Bennett's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"blessed"
"bright, shining one"
"mighty in battle, strength in battle"
"gift, grace"
"from the marshy ground"
"dark-complexioned"
"possessor of goodness"
"rye field"
"delicate, languishing"
"helper, protector"
"white island"
"protector, she who defends"
"little dark one, dark-complexioned"
"nobility, aristocracy"
"victorious"
"member of the Gauts tribe"
"home ruler, estate ruler"
"fierce, powerful one"
"God is gracious"
"light, bright, shining torch"
"one who gathers information, explorer"
Similar sound: These names share phonetic patterns with Bennett — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Benedictus origins, giving them the same cultural heritage as Bennett.
Rhythm: Bennett is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.