Psalm sits next to 4 phonetic neighbors — Sam, Pam, and Shalom are the closest matches by sound. Most share Psalm's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sacred song, hymn of praise"
"throne, far-sighted"
"beloved, wished-for child"
"beautiful and honest"
"pebbly place"
"courageous, valiant"
"heavenly calm, noble tranquility"
"flowing water"
"song, poem"
"fine red cloth, luxury textile"
"life, breath"
"like a bird"
"laurel tree, victory"
"dove"
"son of the fair champion"
"from the Wylye River"
"island (of Saint Columba)"
"from the orange grove"
"heavenly calm"
"my God is God"
"symbol of peace and wisdom"
Similar sound: These names share phonetic patterns with Psalm — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek/Hebrew origins, giving them the same cultural heritage as Psalm.
Rhythm: Psalm is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.