Jonquil sits next to 4 phonetic neighbors — Jonquille, Jacquil, and Joaquil are the closest matches by sound. Most share Jonquil's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little rush, little reed (from the leaf shape)"
"Elder, grandfather"
"lily (Sue/Susan) + grace (Ann/Anne)"
"courageous heart"
"Daybreak, first light of day"
"gift of God"
"noble, of noble birth"
"belonging to the ornate Corinthian order"
"of the laurel tree, crowned with laurel"
"bright shining one; light"
"steadfast, constant"
"little orca, little whale"
Similar sound: These names share phonetic patterns with Jonquil — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish/Latin origins, giving them the same cultural heritage as Jonquil.
Rhythm: Jonquil is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.