Lamar sits next to 4 phonetic neighbors — Lamare, Lamarr, and Lamore are the closest matches by sound. Most share Lamar's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the sea, near the water"
"my father is joyful"
"weary, delicate (from Leah)"
"fragrant; sweet-scented"
"wandering star, planet"
"beautiful, graceful (invented name with aesthetic meaning)"
"shining, luminous"
"youthful, devoted to Jupiter"
"precious gem, jewel"
"modern invented name"
"pledged to God, lily"
"heavenly child, royal flowers"
"of the moon, moon-like"
"consecrated, increased"
"shelter, harbinger"
"to look against (literally)"
"mighty, powerful"
"golden, bright yellow"
"grace, favor"
"perfect, complete"
"ancient, enduring (via Kiana/Cian)"
Similar sound: These names share phonetic patterns with Lamar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French origins, giving them the same cultural heritage as Lamar.
Rhythm: Lamar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.