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"
"small holy man"
"God is gracious"
"maker of cauldrons and cookware"
"God will uplift, God will exalt"
"modern American invented name"
"God perceives"
"son of coal, dark strength"
"God is my strength (from Azael root)"
"God has heard (from Ja-/Jacob root) + spirit of battle (from Kayden)"
"manly, brave one of God"
"from the field, outdoors warrior"
"French form of James/Jacob"
"brave as a bear, bold bear"
"red-haired one"
"one who brews or creates"
"gift of God (via Matthew)"
"army protector"
"crew, group, social organization"
"Yahweh is God"
"chosen, selected, picked out"
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.