Santosha sits next to 4 phonetic neighbors — Santosh, Santhoshi, and Antosha are the closest matches by sound. Most share Santosha's Indian-origin cluster, so the rhythm and vowel shape carry across the list.
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"inner peace"
"love is joy"
"creative coinage with rhythmic energy"
"from Britain, of the British Isles"
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"invented name, possibly combining Tony (from Antonius) with feminin..."
"God has heard"
"we have seen, we have been blessed to witness"
"graceful song"
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"manifestation of God, divine appearance"
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"to reap"
"victory of the people"
Similar sound: These names share phonetic patterns with Santosha — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sanskrit origins, giving them the same cultural heritage as Santosha.
Rhythm: Santosha is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.