Kohen sits next to 5 phonetic neighbors — Cohen, Coen, and Koen are the closest matches by sound. Most share Kohen's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grey home"
"pilgrim to Rome; from Rome"
"of the Fabian family"
"round, barrel-maker"
"opportunity, happenstance"
"Yahweh is merciful"
"sovereign, owner"
"truly brave, genuinely bold"
"my God is the Lord, from Elijah"
"ruler of the home"
"of the Julian clan, youthful"
"possibly from a- (not) + treo (tremble)"
"modern coined name"
"crooked, enclosed valley"
"ash tree town"
"hawk of the plain"
"beauty, adornment, grace"
"from Antwerp"
"mythical bird of rebirth"
"clearing of coarse grass"
Similar sound: These names share phonetic patterns with Kohen — similar vowel sounds, consonant clusters, or rhythm.
Rhythm: Kohen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.