Which to use
“if” and “iso” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,069
- “if” frequency rank
- #12,181
- “iso” frequency rank
- 19250
- confusion score
Side-by-Side Comparison
| Feature | if | iso |
|---|---|---|
| Definition | Arbre sempervirent de la famille des taxacées, à feuilles persistantes longues, étroites, vénéneuses, d’un vert très sombre, à fausses baies rouges, utilisé comme arbre d’ornement dans les parcs, les jardins, les cimetières, et plus spécialement l’if commun (Taxus baccata). | Plan isométrique. |
Where the eye mixes if and iso
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: if vs iso
A purely visual mix-up. if (\if\) and iso (\i.zo\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 19250, derived from the frequency rank of both members and their visual similarity.
if is recorded at frequency rank #7,069, classified as anoun, pronounced \if\. iso is at rank #12,181, tagged as anoun, pronounced \i.zo\.
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 19250, this pair ranks #374,195 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of if vs iso
Shared letters: i. Private to "if": f. Private to "iso": os.
"if" · 2 letters · shape VC · "iso" · 3 letters · shape VCV
Frequently Asked Questions
Can "if" and "iso" be used interchangeably?
Which is more common, "if" or "iso"?
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 "if" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "iso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #374,195 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "if" and "iso" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs iso". Nearby pair
Confusion rank #374,195 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.