thirdvsthisTell them apart

Quick tell: third is a num, this is a pronoun, so they fill different roles in a sentence.

Which to use

“third” is a num and “this” is a pronoun - they look or sound alike but fill different roles in a sentence.

#22,170
“third” frequency rank
#2,559
“this” frequency rank
24729
confusion score

Side-by-Side Comparison

Feature third this
Definition dritte; dem zweiten folgend und dem vierten vorausgehend in der Nähe

Where the eye mixes third and this

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

5 ch
third
4 ch
this

Visual trap between third and this

These two trip readers on the page rather than in the ear: third is [θɜːd] while this is [ðɪs]. 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 (num vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 24729, derived from the frequency rank of both members and their visual similarity.

third is recorded at frequency rank #22,170, classified as anum, pronounced [θɜːd]. this is at rank #2,559, tagged as apron, pronounced [ðɪs].

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 24729, this pair ranks #1,843,560 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of third vs this

Shared letters: hit. Private to "third": dr. Private to "this": s.

"third" · 5 letters · shape CCVCC  ·  "this" · 4 letters · shape CCVC

Known mistypes of this pair

  • thirdhtird · thhird · thidr · thirdd · thirrd · thrid · tihrd · tthird
  • thishtis · thhis · thiss · thsi · tihs · tthis

Frequently Asked Questions

Is swapping "third" for "this" ever safe?
No - they are not even the same part of speech. "third" is a num and "this" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "third" or "this" show up more?
"this" is the more common of the two: it sits at frequency rank #2,559 in our German list, against #22,170 for "third". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "third" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "this" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,843,560 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "third" and "this" also get mixed up with nearby pairs, the highest-scored neighbour is "thin vs third". 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 #1,843,560 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list