deepvsdemWhich spelling fits?

Quick tell: deep is a adjective, dem is a pronoun, so they fill different roles in a sentence.

Which to use

“deep” is an adjective and “dem” is a pronoun - they look or sound alike but fill different roles in a sentence.

#945
“deep” frequency rank
#8,533
“dem” frequency rank
9478
confusion score

Side-by-Side Comparison

Feature deep dem
Definition Extending, reaching or positioned far from a point of reference, especially downwards. Nonstandard form of them.

Where the eye mixes deep and dem

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
deep
3 ch
dem

Look-alike desk: deep vs dem

These two trip readers on the page rather than in the ear: deep is /diːp/ while dem is /dɛm/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 9478, derived from the frequency rank of both members and their visual similarity.

deep is recorded at frequency rank #945, classified as anadj, pronounced /diːp/. dem is at rank #8,533, tagged as apron, pronounced /dɛm/.

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 9478, this pair ranks #497,203 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of deep vs dem

Shared letters: de. Private to "deep": p. Private to "dem": m.

"deep" · 4 letters · shape CVVC  ·  "dem" · 3 letters · shape CVC

Known mistypes of this pair

  • deepddeep · deepp · depe · edep

Frequently Asked Questions

Can "deep" and "dem" be used interchangeably?
No - they are not even the same part of speech. "deep" is an adjective and "dem" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "deep" or "dem"?
"deep" is the more common of the two: it sits at frequency rank #945 in our English list, against #8,533 for "dem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "deep" and "dem" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "deep" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #497,203 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "deep" and "dem" also get mixed up with nearby pairs, the highest-scored neighbour is "dem vs dox". 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 #497,203 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