arcvsARPTell them apart

Which to use

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

#3,180
“arc” frequency rank
#47,727
“ARP” frequency rank
50907
confusion score

Side-by-Side Comparison

Feature arc ARP
Definition Arme de trait servant à lancer des flèches, formée d’une branche de bois ou d’une verge, soit de métal, soit d’autre matière, courbée avec effort au moyen d’une corde qui s’attache aux deux extrémités. Protocole effectuant la traduction d’une adresse de protocole de couche réseau (typiquement une adresse IP) en une adresse ethernet (typiquement une adresse MAC), ou même de tout matériel de couche de transport.

Where the eye mixes arc and ARP

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

3 ch
arc
3 ch
ARP

Visual trap between arc and ARP

A purely visual mix-up. arc (\aʁk\) and ARP (\a.ɛʁ.pe\) 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 a single letter - c in “arc” becomes p in “ARP”. Our composite confusion score for this pair is 50907, derived from the frequency rank of both members and their visual similarity.

arc is recorded at frequency rank #3,180, classified as anoun, pronounced \aʁk\. ARP is at rank #47,727, tagged as anoun, pronounced \a.ɛʁ.pe\.

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 50907, this pair ranks #159,025 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of arc vs ARP

Shared letters: ar. Private to "arc": c. Private to "ARP": p.

"arc" · 3 letters · shape VCC  ·  "ARP" · 3 letters · shape VCC

Frequently Asked Questions

Can "arc" and "ARP" be used interchangeably?
No. They are said differently (\aʁk\ versus \a.ɛʁ.pe\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "arc" or "ARP"?
"arc" is the more common of the two: it sits at frequency rank #3,180 in our French list, against #47,727 for "ARP". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "arc" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ARP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #159,025 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "arc" and "ARP" also get mixed up with nearby pairs, the highest-scored neighbour is "ARP vs aur". Nearby pair

Confusion rank #159,025 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