doitvsDSTWhich spelling fits?

Quick tell: doit is a verb, DST is a name, so they fill different roles in a sentence.

Which to use

“doit” is a verb and “DST” is a name - they look or sound alike but fill different roles in a sentence.

#159
“doit” frequency rank
#43,896
“DST” frequency rank
44055
confusion score

Side-by-Side Comparison

Feature doit DST
Definition Troisième personne du singulier de l’indicatif présent de devoir. Service de renseignement, organisme d’État fusionné en 2008 avec la Direction centrale des Renseignements généraux (RG) pour donner naissance à la DCRI.

Where the eye mixes doit and DST

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

4 ch
doit
3 ch
DST

Why the eye confuses doit with DST

These two trip readers on the page rather than in the ear: doit is \dwa\ while DST is \de.ɛs.te\. 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 (verb vs name), which is usually the fastest check. Our composite confusion score for this pair is 44055, derived from the frequency rank of both members and their visual similarity.

doit is recorded at frequency rank #159, classified as averb, pronounced \dwa\. DST is at rank #43,896, tagged as aname, pronounced \de.ɛs.te\.

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 44055, this pair ranks #213,387 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of doit vs DST

Shared letters: dt. Private to "doit": io. Private to "DST": s.

"doit" · 4 letters · shape CVVC  ·  "DST" · 3 letters · shape CCC

Known mistypes of this pair

  • doitddoit · diot · doitt · doti · odit

Frequently Asked Questions

Can "doit" and "DST" be used interchangeably?
No - they are not even the same part of speech. "doit" is a verb and "DST" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "doit" vs "DST" - which ranks higher?
"doit" is the more common of the two: it sits at frequency rank #159 in our French list, against #43,896 for "DST". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "doit" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "DST" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #213,387 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "doit" and "DST" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs DST". 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 #213,387 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list