phivspigTell them apart

Which to use

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

#27,181
“phi” frequency rank
#43,600
“pig” frequency rank
70781
confusion score

Side-by-Side Comparison

Feature phi pig
Definition Φ, φ, ϕ vingt-et-unième lettre et quinzième consonne de l’alphabet grec. Sanglier, n’importe quelle espèce appartenant au genre Sus.

Where the eye mixes phi and pig

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
phi
3 ch
pig

Why the eye confuses phi with pig

A purely visual mix-up. phi (\fi\) and pig (\pɪɡ\) 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 70781, derived from the frequency rank of both members and their visual similarity.

phi is recorded at frequency rank #27,181, classified as anoun, pronounced \fi\. pig is at rank #43,600, tagged as anoun, pronounced \pɪɡ\.

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 70781, this pair ranks #50,052 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of phi vs pig

Shared letters: ip. Private to "phi": h. Private to "pig": g.

"phi" · 3 letters · shape CCV  ·  "pig" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "phi" for "pig" ever safe?
No. They are said differently (\fi\ versus \pɪɡ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "phi" vs "pig" - which ranks higher?
"phi" is the more common of the two: it sits at frequency rank #27,181 in our French list, against #43,600 for "pig". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "phi" and "pig" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "phi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pig" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #50,052 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "phi" and "pig" also get mixed up with nearby pairs, the highest-scored neighbour is "pig vs pio". Nearby pair

Confusion rank #50,052 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