hélicevshéliumWhich spelling fits?

Which to use

“hélice” and “hélium” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#20,161
“hélice” frequency rank
#25,353
“hélium” frequency rank
45514
confusion score

Side-by-Side Comparison

Feature hélice hélium
Definition Ligne tracée en forme de vis autour d’un cylindre. Élément chimique de numéro atomique 2 et de symbole He qui fait partie à la série de gaz nobles.

Where the eye mixes hélice and hélium

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. hélice (CVCVCV) and hélium (CVCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
hélice
6 ch
hélium

Visual trap between hélice and hélium

A purely visual mix-up. hélice (\e.lis\) and hélium (^((h muet))\e.ljɔm\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 45514, derived from the frequency rank of both members and their visual similarity.

hélice is recorded at frequency rank #20,161, classified as anoun, pronounced \e.lis\. hélium is at rank #25,353, tagged as anoun, pronounced ^((h muet))\e.ljɔm\.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 45514, this pair ranks #202,183 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of hélice vs hélium

Shared letters: hilé. Private to "hélice": ce. Private to "hélium": mu.

"hélice" · 6 letters · shape CVCVCV  ·  "hélium" · 6 letters · shape CVCVVC

Frequently Asked Questions

Do "hélice" and "hélium" mean the same thing in a sentence?
No. They are said differently (\e.lis\ versus ^((h muet))\e.ljɔm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "hélice" or "hélium" show up more?
"hélice" is the more common of the two: it sits at frequency rank #20,161 in our French list, against #25,353 for "hélium". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "hélice" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "hélium" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #202,183 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "hélice" and "hélium" also get mixed up with nearby pairs, the highest-scored neighbour is "hélium vs Helmut". Nearby pair

Confusion rank #202,183 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list