Tommi sits next to 5 phonetic neighbors — Tommy, Tammy, and Tomi are the closest matches by sound. Most share Tommi's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"twin"
"ingenious hero"
"strong as steel, resilient"
"striving, rival"
"pure, clean"
"modern invented Caribbean feminine name"
"a place above in the mountains"
"she who is victorious"
"modern invented name"
"little, small"
"sky, heaven"
"peace; from Ireland"
"modern blend, possibly dark and heavenly"
"noble one, of noble lineage"
"diminutive of Aodh (fire)"
"noble, of noble kind"
"from brandy, the distilled spirit (Dutch etymology)"
"flower"
"male deer, hart"
"free woman"
"divine, royal"
Similar sound: These names share phonetic patterns with Tommi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Aramaic origins, giving them the same cultural heritage as Tommi.
Rhythm: Tommi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.