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"
"God has helped, Yahweh is my help"
"uncertain Egyptian origin"
"grace, beautiful gift"
"hazel-tree meadow, clearing of hazel trees"
"member of the Gauts tribe"
"modern invented blend of Taylor and -len suffix"
"brilliantly beautiful, famous and lovely"
"combination of char + issa (honey/bee)"
"of God, belonging to God"
"strong, courageous"
"beloved, wished-for child (via Hebrew Miriam)"
"pearl"
"noble, exalted"
"extraordinary person remembered in stories"
"personal magnetism, compelling charm"
"short form of Josephine"
"new grace, gracious new beginning"
"flowing from God"
"mountain of strength; enlightened"
"industrious ruler"
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.