concernvsconcertoWhich spelling fits?

Which to use

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

#2,195
“concern” frequency rank
#20,594
“concerto” frequency rank
22789
confusion score

Side-by-Side Comparison

Feature concern concerto
Definition That which affects one’s welfare or happiness. A matter of interest to someone. A piece of music for one or more solo instruments and orchestra.

Where the eye mixes concern and concerto

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

7 ch
concern
8 ch
concerto

Visual trap between concern and concerto

A purely visual mix-up. concern (/kənˈsɝn/) and concerto (/kənˈt͡ʃɛɹtoʊ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 22789, derived from the frequency rank of both members and their visual similarity.

concern is recorded at frequency rank #2,195, classified as anoun, pronounced /kənˈsɝn/. concerto is at rank #20,594, tagged as anoun, pronounced /kənˈt͡ʃɛɹtoʊ/.

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 22789, this pair ranks #414,007 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of concern vs concerto

Shared letters: cenor. Private to "concern": -. Private to "concerto": t.

"concern" · 7 letters · shape CVCCVCC  ·  "concerto" · 8 letters · shape CVCCVCCV

Known mistypes of this pair

  • concerncconcern · cnocern · cocnern · conccern · concenr · concernn · concerrn · concren
  • concertocconcerto · cnocerto · cocnerto · conccerto · concerot · concerrto · concertto · concetro

Frequently Asked Questions

Is swapping "concern" for "concerto" ever safe?
No. They are said differently (/kənˈsɝn/ versus /kənˈt͡ʃɛɹtoʊ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "concern" or "concerto"?
"concern" is the more common of the two: it sits at frequency rank #2,195 in our English list, against #20,594 for "concerto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "concern" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "concerto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #414,007 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "concern" and "concerto" also get mixed up with nearby pairs, the highest-scored neighbour is "conceit vs concerto". 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 #414,007 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