Kausar sits next to 4 phonetic neighbors — Kosar, Kausar, and Kawsar are the closest matches by sound. Most share Kausar's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"abundance, plenty"
"fair, white, brilliant"
"star"
"peaceful, secure"
"blessed, spiritually exalted"
"rain, moisture"
"beloved, wished-for child"
"ascent, going up"
"beloved, precious"
"strong protector, beloved"
"luck, fortune"
"radiant, shining one"
"celestial, brilliant"
"adornment, beauty (Arabic Zayna connection)"
"determination, firm resolve"
"handsome, well-built"
"eloquent, well-spoken"
"gift, present (related root)"
Similar sound: These names share phonetic patterns with Kausar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Kausar.
Rhythm: Kausar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.