Jacere sits next to 5 phonetic neighbors — Jace, Jacey, and Jaseer are the closest matches by sound. Most share Jacere's Latin jacere-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"to throw forth (Latin jacere)"
"God has heard (from Ja-/Jacob root) + spirit of battle (from Kayden)"
"initials name, no fixed meaning"
"God is gracious (via Shawn/John)"
"man from South Munster (southern Ireland)"
"my messenger, my angel"
"modern creative variant"
"blessings, ease, comfort"
"supplanter, one who follows"
"tavern keeper"
"invented melodic name"
"oak grove, oak tree"
"the mountain"
"archangel name variant"
"divine musician; angel of song"
"demigod of Polynesian mythology"
"beloved"
"invented name combining familiar American sound elements"
"warlike, of Ares"
Similar sound: These names share phonetic patterns with Jacere — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin jacere origins, giving them the same cultural heritage as Jacere.
Rhythm: Jacere is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.