Signy sits next to 5 phonetic neighbors — Sigrid, Siggy, and Ginny are the closest matches by sound. Most share Signy's Old Norse-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"victory, fresh start"
"born of the people, full of life"
"flower; to shine"
"divine image, manifestation"
"from Cardigan (Welsh place name)"
"unclear Celtic origin, possibly related to sena (ancient, old)"
"dark, black (complexion or hair)"
"to invite, to lure, to beckon"
"God's love"
"Opening or beginning"
"inspiring wonder and awe"
"remover of obstacles, without impediments"
"singing bird of dawn"
"ascent, going up"
"those chosen or selected"
"earth mother, primordial goddess"
Similar sound: These names share phonetic patterns with Signy — 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 Signy.
Rhythm: Signy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.