Ymir sits next to 4 phonetic neighbors — Emir, Ymir, and Amir are the closest matches by sound. Most share Ymir's Norse-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"the loud one, the screamer"
"trail left in water"
"high kin, chosen son"
"home ruler, ruler of the estate"
"yew warrior"
"plant that grows in moist places"
"ruler of the people"
"little deer"
"eternal ruler, ever powerful"
"elf army (alternative theory)"
"ridge meadow"
"wise protector, counselor-guardian"
"son of Anne"
"royal court attendant"
"elevated terrain, mountain land"
"gift of God"
Similar sound: These names share phonetic patterns with Ymir — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Ymir.
Rhythm: Ymir is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.