Tamar sits next to 4 phonetic neighbors — Tamara, Tamarr, and Tamir are the closest matches by sound. Most share Tamar's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"date palm tree"
"my God is an oath"
"father's joy, source of joy"
"short form of Caterina, Corina"
"God is abundance, God is my satisfaction"
"guardian, watch mountain"
"afflicted of God"
"ancient Armenian city"
"guardian, watchman"
"lord, master"
"feminine form of Ilan (tree)"
"beautiful"
"going up, elevation"
"drooping branch, destiny"
"sacred mountain"
"to rejoice, exultation"
"of the night, night creature"
"graceful lily"
"little beautiful one (diminutive)"
"meadow, wild cow"
Similar sound: These names share phonetic patterns with Tamar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Tamar.
Rhythm: Tamar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.