Sonnet sits next to 4 phonetic neighbors — Sonata, Sunny, and Scarlett are the closest matches by sound. Most share Sonnet's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little song"
"curly-haired"
"fair, pure"
"symbol of peace and wisdom"
"peace"
"glory, fame"
"alive, living"
"wished-for child"
"torture (archaic, disputed)"
"bright, clear, famous"
"alive, living"
"feminine form of Jacques (James)"
"protector of men"
"son of Maud, mighty in battle"
"rose flower, love and beauty"
"high clearing, elevated meadow"
"supernatural being of power"
"mother goddess"
"son of Adam, earth (from Addison)"
"son of the fair one"
"she who judges"
Similar sound: These names share phonetic patterns with Sonnet — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Italian origins, giving them the same cultural heritage as Sonnet.
Rhythm: Sonnet is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.