demvsDSAWhich spelling fits?

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

Which to use

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

#8,533
“dem” frequency rank
#44,177
“DSA” frequency rank
52710
confusion score

Side-by-Side Comparison

Feature dem DSA
Definition Nonstandard form of them. Initialism of donor-specific antibody.

Letter map: dem vs DSA

Shared letters muted; letters that set dem and DSA apart highlighted. Shared run: 1.

3 ch
dem
3 ch
DSA

Part-of-speech tell for dem / DSA

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dem is apronoun and DSAanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 52710, derived from the frequency rank of both members and their visual similarity.

dem is recorded at frequency rank #8,533, classified as apron, pronounced /dɛm/. DSA is at rank #44,177, tagged as anoun.

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 52710, this pair ranks #154,848 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dem vs DSA

Shared letters: d. Private to "dem": em. Private to "DSA": as.

"dem" · 3 letters · shape CVC  ·  "DSA" · 3 letters · shape CCV

Frequently Asked Questions

Do "dem" and "DSA" mean the same thing in a sentence?
No - they are not even the same part of speech. "dem" is a pronoun and "DSA" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "dem" vs "DSA" - which ranks higher?
"dem" is the more common of the two: it sits at frequency rank #8,533 in our English list, against #44,177 for "DSA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "dem" and "DSA".

  • Full dictionary entry for "dem" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "DSA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #154,848 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "dem" and "DSA" also get mixed up with nearby pairs, the highest-scored neighbour is "dox vs DSA". Nearby pair

Confusion rank #154,848 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