okavsorcConfusable pair

Which to use

“oka” and “orc” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#46,669
“oka” frequency rank
#28,653
“orc” frequency rank
75322
confusion score

Side-by-Side Comparison

Feature oka orc
Definition A former Turkish, Egyptian, Hungarian, and Romanian unit of weight, usually of a little more than a kilogram. Any of several large, ferocious sea creatures, now especially the killer whale.

Where the eye mixes oka and orc

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

3 ch
oka
3 ch
orc

Visual trap between oka and orc

A purely visual mix-up. oka (/ˈɒkə/) and orc (/ɔɹk/) 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 75322, derived from the frequency rank of both members and their visual similarity.

oka is recorded at frequency rank #46,669, classified as anoun, pronounced /ˈɒkə/. orc is at rank #28,653, tagged as anoun, pronounced /ɔɹk/.

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 75322, this pair ranks #33,475 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of oka vs orc

Shared letters: o. Private to "oka": ak. Private to "orc": cr.

"oka" · 3 letters · shape VCV  ·  "orc" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "oka" for "orc" ever safe?
No. They are said differently (/ˈɒkə/ versus /ɔɹk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "oka" or "orc" show up more?
"orc" is the more common of the two: it sits at frequency rank #28,653 in our English list, against #46,669 for "oka". 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 "oka" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "orc" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,475 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "oka" and "orc" also get mixed up with nearby pairs, the highest-scored neighbour is "oka vs omi". Nearby pair

Confusion rank #33,475 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list