charavscobraTell them apart

Which to use

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

#36,071
“chara” frequency rank
#14,721
“cobra” frequency rank
50792
confusion score

Side-by-Side Comparison

Feature chara cobra
Definition A green alga of the genus Chara. Any of various venomous snakes of the genus Naja.

Letter map: chara vs cobra

Shared letters muted; letters that set chara and cobra apart highlighted. Shared run: 3. chara (CCVCV) and cobra (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
chara
5 ch
cobra

Pair insight - chara / cobra

chara and cobra are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50792, derived from the frequency rank of both members and their visual similarity.

chara is recorded at frequency rank #36,071, classified as anoun. cobra is at rank #14,721, tagged as anoun, pronounced /ˈkəʊbɹə/.

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 50792, this pair ranks #171,097 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chara vs cobra

Shared letters: acr. Private to "chara": h. Private to "cobra": bo.

"chara" · 5 letters · shape CCVCV  ·  "cobra" · 5 letters · shape CVCCV

Known mistypes of this pair

  • chara ← cahra · cchara · chaar · charra · chhara · chraa · hcara
  • cobra ← cbora · ccobra · cobar · cobbra · cobrra · corba · ocbra

Frequently Asked Questions

Is swapping "chara" for "cobra" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "chara" vs "cobra" - which ranks higher?
"cobra" is the more common of the two: it sits at frequency rank #14,721 in our English list, against #36,071 for "chara". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "chara" vs "cobra" is on the table, pick a follow-up below.

  • Full dictionary entry for "chara" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cobra" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #171,097 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "chara" and "cobra" also get mixed up with nearby pairs, the highest-scored neighbour is "chara vs Charli". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #171,097 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