problemvsproblemsWhat's the difference?

Which to use

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

#391
“problem” frequency rank
#662
“problems” frequency rank
1053
confusion score

Side-by-Side Comparison

Feature problem problems
Definition A difficulty that has to be resolved or dealt with. plural of problem

Where the eye mixes problem and problems

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
problem
8 ch
problems

Why the eye confuses problem with problems

A purely visual mix-up. problem (/ˈpɹɒbləm/) and problems (/ˈpɹɒbləmz/) 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 extra letter(s) - “problem” sits inside “problems”. Our composite confusion score for this pair is 1053, derived from the frequency rank of both members and their visual similarity.

problem is recorded at frequency rank #391, classified as anoun, pronounced /ˈpɹɒbləm/. problems is at rank #662, tagged as anoun, pronounced /ˈpɹɒbləmz/.

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 1053, this pair ranks #528,217 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of problem vs problems

Shared letters: belmopr. Private to "problem": -. Private to "problems": s.

"problem" · 7 letters · shape CCVCCVC  ·  "problems" · 8 letters · shape CCVCCVCC

Known mistypes of this pair

  • problemporblem · pproblem · prbolem · probblem · probelm · problemm · probllem · problme
  • problemsporblems · pproblems · prbolems · probblems · probelms · problemms · problemss · problesm

Frequently Asked Questions

Do "problem" and "problems" mean the same thing in a sentence?
No. They are said differently (/ˈpɹɒbləm/ versus /ˈpɹɒbləmz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "problem" or "problems"?
"problem" is the more common of the two: it sits at frequency rank #391 in our English list, against #662 for "problems". 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 "problem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "problems" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #528,217 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "problem" and "problems" also get mixed up with nearby pairs, the highest-scored neighbour is "probe vs problem". 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 #528,217 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