Taj sits next to 3 phonetic neighbors — Raj, Paz, and Jazz are the closest matches by sound. Most share Taj's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"crown"
"beautiful, lovely"
"prosperity, good fortune"
"beloved, esteemed, valued"
"hidden treasure"
"sunlight, warmth"
"intelligence, wisdom, rational mind"
"intelligent, smart"
"the boundary, the farthest point"
"judged, vindicated"
"gate of Paradise"
"divine blessing, gift from God"
"honest, reliable"
"possibly related to five (ainthu) in Tamil, or a leader"
"desire, wish, aspiration"
"divine play, joyful activity"
"night heaven, celestial darkness"
"night journey"
"leader, chief"
Similar sound: These names share phonetic patterns with Taj — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic/Persian origins, giving them the same cultural heritage as Taj.
Rhythm: Taj is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.