orbvsostConfusable pair

Which to use

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

#44,077
“orb” frequency rank
#19,617
“ost” frequency rank
63694
confusion score

Side-by-Side Comparison

Feature orb ost
Definition Orbe. ou Armée au Moyen Âge.

Where the eye mixes orb and ost

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
orb
3 ch
ost

Look-alike desk: orb vs ost

A purely visual mix-up. orb (\ɔɹb\) and ost (\ɔst\) 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 63694, derived from the frequency rank of both members and their visual similarity.

orb is recorded at frequency rank #44,077, classified as anoun, pronounced \ɔɹb\. ost is at rank #19,617, tagged as anoun, pronounced \ɔst\.

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 63694, this pair ranks #80,667 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of orb vs ost

Shared letters: o. Private to "orb": br. Private to "ost": st.

"orb" · 3 letters · shape VCC  ·  "ost" · 3 letters · shape VCC

Frequently Asked Questions

Can "orb" and "ost" be used interchangeably?
No. They are said differently (\ɔɹb\ versus \ɔst\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "orb" vs "ost" - which ranks higher?
"ost" is the more common of the two: it sits at frequency rank #19,617 in our French list, against #44,077 for "orb". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "orb" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #80,667 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "orb" and "ost" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs orb". Nearby pair

Confusion rank #80,667 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