Joel sits next to 3 phonetic neighbors — Joe, Noel, and Cole are the closest matches by sound. Most share Joel's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Yahweh is God"
"son of Hudd"
"appointed by God"
"youthful, downy-bearded"
"hedge dweller, from the enclosure"
"soldier, merciful"
"Saint James"
"messenger"
"beloved, darling"
"crowned with laurel"
"firm foundation"
"son, young boy"
"keeper of the pantry"
"small, humble"
"permanent, long-lived"
"from the bridges"
"fortune's keeper"
"coal, swarthy"
"to tame, to subdue"
Similar sound: These names share phonetic patterns with Joel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Joel.
Rhythm: Joel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.