Peregrin sits next to 4 phonetic neighbors — Peregrine, Pilgrim, and Perry are the closest matches by sound. Most share Peregrin's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pilgrim, traveler, foreigner"
"dark, dusky"
"God has heard (via Sam = Samuel)"
"army, nobleman"
"new, sky (nav element)"
"dweller by the rye field"
"God is gracious"
"solitary monk, single house"
"protector of people"
"initials, often James David or John David"
"flow, great river"
"sea, ocean"
"a Breton, from Brittany"
"wealthy guardian; prosperous protector"
"farm on the ridge"
"paradise, divine realm"
"from the craggy hills, little hill"
"sad, sorrowful (folk etymology)"
"farm on stony ground"
"lotus flower"
"the sparrow bird"
Similar sound: These names share phonetic patterns with Peregrin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Peregrin.
Rhythm: Peregrin is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.