theftvsthenWhat's the difference?

Quick tell: theft is a noun, then is an adverb, so they fill different roles in a sentence.

Which to use

“theft” is a noun and “then” is an adverb - they look or sound alike but fill different roles in a sentence.

#42,725
“theft” frequency rank
#25,065
“then” frequency rank
67790
confusion score

Side-by-Side Comparison

Feature theft then
Definition Robo, hurto Entonces.

Where the eye mixes theft and then

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
theft
4 ch
then

Look-alike desk: theft vs then

These two trip readers on the page rather than in the ear: theft is [θɛft] while then is /ðɛn/. 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 (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 67790, derived from the frequency rank of both members and their visual similarity.

theft is recorded at frequency rank #42,725, classified as anoun, pronounced [θɛft]. then is at rank #25,065, tagged as anadv, pronounced /ðɛn/.

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 67790, this pair ranks #36,212 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of theft vs then

Shared letters: eht. Private to "theft": f. Private to "then": n.

"theft" · 5 letters · shape CCVCC  ·  "then" · 4 letters · shape CCVC

Known mistypes of this pair

  • thefthteft · tehft · thefft · theftt · thetf · thfet · thheft · ttheft
  • thenhten · tehn · thenn · thhen · thne · tthen

Frequently Asked Questions

Can "theft" and "then" be used interchangeably?
No - they are not even the same part of speech. "theft" is a noun and "then" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "theft" vs "then" - which ranks higher?
"then" is the more common of the two: it sits at frequency rank #25,065 in our Spanish list, against #42,725 for "theft". 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 "theft" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "then" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,212 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "theft" and "then" also get mixed up with nearby pairs, the highest-scored neighbour is "theft vs theme". 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 #36,212 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list