Jeicob sits next to 5 phonetic neighbors — Jacob, Jaycob, and Jakub are the closest matches by sound. Most share Jeicob's Hebrew-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter, one who takes another's place"
"from the field, outdoors warrior"
"short form of Desmond (south Munster, Ireland)"
"youth, pup"
"Dane's settlement"
"modern creative name"
"yew warrior"
"vision of God"
"companion, friend"
"strength, power"
"a days travel; a trip"
"highland, high ground"
"son of God-peace"
"the number seven"
"son of the devotee of John"
"rule of the spear"
"strong lord, fierce chief"
"small holy man"
"son of Hermund"
"mountain, elevated"
"spear land"
Similar sound: These names share phonetic patterns with Jeicob — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jeicob.
Rhythm: Jeicob is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.