Helix sits next to 4 phonetic neighbors — Felix, Alex, and Rex are the closest matches by sound. Most share Helix's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"spiral, coil"
"cup, goblet"
"glory of the homeland"
"enlightened, bright, clear"
"he who supplants, holds by the heel"
"rising in the east; the hunter"
"chief, lord"
"my, mine (Tagalog possessive)"
"from Londinium, fort on the Thames"
"possibly from Vashti, beautiful"
"the new house"
"modern blended name (Nash + -ton)"
"songbird, free spirit"
"jackdaw (intelligent crow-family bird)"
"his name is God"
"Southern American place name as given name"
"dignity, nobility"
"tools of the wizard, instruments of healing"
"of Mars, warrior spirit (Mars element)"
"gift of God (folk etymology)"
"age, era, vast expanse of time"
Similar sound: These names share phonetic patterns with Helix — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek 'helix' origins, giving them the same cultural heritage as Helix.
Rhythm: Helix is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.