Jennings sits next to 3 phonetic neighbors — Jenkins, Bennett, and Hennings are the closest matches by sound. Most share Jennings's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of Jen (John)"
"one who illuminates, enlightener"
"divine power, God's rule"
"people's lord"
"son of Adam"
"pale, holy"
"adapted from Kiristino (Ojibwe name for Cree people)"
"descendant of Grey"
"noble, refined"
"from Galloway"
"dove"
"God is gracious and humble"
"marsh dweller"
"ancient Roman family name"
"white, fair-complexioned"
"Yahweh is kin"
"passionate, ardent"
"ruler of the world"
"God will save"
"variant of Pruitt, meaning valiant"
Similar sound: These names share phonetic patterns with Jennings — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Jennings.
Rhythm: Jennings is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.