Janey sits next to 4 phonetic neighbors — Jane, Jannie, and Jenny are the closest matches by sound. Most share Janey's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"slender, narrow"
"feminine form of Simon"
"shadow, reflection"
"reborn"
"verdant, fresh vegetation of spring"
"pretty, beautiful"
"the other Aenor"
"farmer, earthworker"
"elevated place, watchtower"
"diminutive of Cornelia (horn, strength)"
"long-lived, one who lives long"
"garden of holly"
"pure, holy, chaste"
"young ceremonial attendant"
"gift, feminine grace"
"divine blessing or covenant"
"little bird, desired"
"modern coinage"
"pure one (Katherine) + gracious (Helen)"
"lake (from Welsh -lyn)"
Similar sound: These names share phonetic patterns with Janey — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew via Latin, French, English origins, giving them the same cultural heritage as Janey.
Rhythm: Janey is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.