Nann sits next to 3 phonetic neighbors — Nan, Anne, and Jan are the closest matches by sound. Most share Nann's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grace, favor (from Hannah via Anne)"
"poetry, song, fury"
"to fill to excess, satiate"
"energetic, rowdy one"
"renowned fighter"
"hilltop town"
"elf victory"
"to gladden, make joyful"
"foot soldier near the lake"
"peaceful ruler"
"yew tree"
Similar sound: These names share phonetic patterns with Nann — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Old English origins, giving them the same cultural heritage as Nann.
Rhythm: Nann is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.