thatvstheyTell them apart

Quick tell: that is a conjunction, they is a pronoun, so they fill different roles in a sentence.

Which to use

“that” is a conjunction and “they” is a pronoun - they look or sound alike but fill different roles in a sentence.

#3,648
“that” frequency rank
#11,171
“they” frequency rank
14819
confusion score

Side-by-Side Comparison

Feature that they
Definition que pronome pessoal de terceira pessoa plural referente a um grupo de pessoas sem especificação de gênero; eles ou elas

Letter map: that vs they

Shared letters muted; letters that set that and they apart highlighted. Shared run: 2.

4 ch
that
4 ch
they

Role in the sentence - that and they

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: that is aconjunction and theyapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 14819, derived from the frequency rank of both members and their visual similarity.

that is recorded at frequency rank #3,648, classified as aconj, pronounced /ðæt/. they is at rank #11,171, tagged as apron.

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 14819, this pair ranks #57,171 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of that vs they

Shared letters: ht. Private to "that": a. Private to "they": ey.

"that" · 4 letters · shape CCVC  ·  "they" · 4 letters · shape CCVV

Known mistypes of this pair

  • thathtat · taht · thatt · thhat · thta · tthat
  • theyhtey · tehy · theyy · thhey · thye · tthey

Frequently Asked Questions

Can "that" and "they" be used interchangeably?
No - they are not even the same part of speech. "that" is a conjunction and "they" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "that" or "they" show up more?
"that" is the more common of the two: it sits at frequency rank #3,648 in our Portuguese list, against #11,171 for "they". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "that" and "they".

  • Full dictionary entry for "that" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "they" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #57,171 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "that" and "they" also get mixed up with nearby pairs, the highest-scored neighbour is "teem vs they". 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 #57,171 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list