Sahaj sits next to 3 phonetic neighbors — Sahil, Samar, and Sajal are the closest matches by sound. Most share Sahaj's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"natural, spontaneous, effortless"
"intelligent, charming, clever"
"full of life, lively"
"new, sky (nav element)"
"rays of the sun; life-giving"
"long life, vitality, lifespan"
"king, ruler"
"single portion, one part"
"dawn, beginning of a new day"
"spiritual wisdom"
"hero, brave man"
"beloved portion"
"one who pursues virtue"
"meditation, consciousness"
"courage, determination, bravery"
"the musical note Re (second note in sargam)"
Similar sound: These names share phonetic patterns with Sahaj — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Sahaj.
Rhythm: Sahaj is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.