Jorma sits next to 3 phonetic neighbors — Yoram, Norma, and Forma are the closest matches by sound. Most share Jorma's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Farmer; earth worker"
"father"
"divination, prophecy"
"root, foundation"
"gift of God"
"ruler of the land"
"God's gift"
"a legend, a tale"
"with great strength (via Arion)"
"occupational surname for a chapel keeper"
"bright one"
"short form of Ari (lion) or Aaron (high mountain)"
"cross"
"lord of the earth, creation of the good earth"
"settlement on a hill"
"defender of the people (short form of Alexander)"
"blessed"
Similar sound: These names share phonetic patterns with Jorma — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Finnish origins, giving them the same cultural heritage as Jorma.
Rhythm: Jorma is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.