Kent sits next to 4 phonetic neighbors — Kent, Brent, and Trent are the closest matches by sound. Most share Kent's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"coastal land, border land"
"YHWH saves"
"fifth-born child"
"farmer, estate steward"
"son of Evar; son of the boar"
"sad, melancholy (folk etymology)"
"from the hazel tree settlement"
"he to whom it belongs, messianic title"
"God has been gracious"
"supreme ruler"
"descendant of Riagán"
"oracle, mouth of the serpent"
"aster flower, purple"
"uncertain, possibly warrior spirit"
"from the forest, woodland dweller"
"from Germany"
"bright, splendid"
"beloved youngest son"
"short form of Nathan/Nathaniel"
"from the burnt clearing"
"rich friend"
Similar sound: These names share phonetic patterns with Kent — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic origins, giving them the same cultural heritage as Kent.
Rhythm: Kent is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.