ifsvsionConfusable pair

Which to use

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

#47,386
“ifs” frequency rank
#14,064
“ion” frequency rank
61450
confusion score

Side-by-Side Comparison

Feature ifs ion
Definition Pluriel de if. Atome ou molécule ayant perdu ou gagné des électrons sur sa couche externe.

Where the eye mixes ifs and ion

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. ifs (VCC) and ion (VVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
ifs
3 ch
ion

Look-alike desk: ifs vs ion

A purely visual mix-up. ifs (\if\) and ion (\jɔ̃\) 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 61450, derived from the frequency rank of both members and their visual similarity.

ifs is recorded at frequency rank #47,386, classified as anoun, pronounced \if\. ion is at rank #14,064, tagged as anoun, pronounced \jɔ̃\.

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 61450, this pair ranks #92,225 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ifs vs ion

Shared letters: i. Private to "ifs": fs. Private to "ion": no.

"ifs" · 3 letters · shape VCC  ·  "ion" · 3 letters · shape VVC

Frequently Asked Questions

Can "ifs" and "ion" be used interchangeably?
No. They are said differently (\if\ versus \jɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ifs" or "ion"?
"ion" is the more common of the two: it sits at frequency rank #14,064 in our French list, against #47,386 for "ifs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ifs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ion" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #92,225 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ifs" and "ion" also get mixed up with nearby pairs, the highest-scored neighbour is "ifs vs isi". Nearby pair

Confusion rank #92,225 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