Nymere sits next to 4 phonetic neighbors — Namir, Amir, and Demir are the closest matches by sound. Most share Nymere's Arabic (possible)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"leopard, tiger (possible Arabic root)"
"gift"
"young warrior"
"gift of God"
"little fire"
"modern invented name, bold and distinctive"
"admirable, fine, fortunate"
"palm tree, upright"
"rye land, land of rye"
"God is gracious"
"young male, beloved son"
"craftsman"
"enduring and given by God"
"dwellers in wooded hills"
"he gave"
"brave as a lion"
"lucky, sacred number"
"of the Adriatic, the dark sea"
"worker, one who builds"
"descendant of the peaceful one"
"keeper of the garden, gardener"
Similar sound: These names share phonetic patterns with Nymere — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic (possible) origins, giving them the same cultural heritage as Nymere.
Rhythm: Nymere is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.