thesevstheyWhat's the difference?

Quick tell: these is a determiner, they is a pronoun, so they fill different roles in a sentence.

Which to use

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

#94
“these” frequency rank
#35
“they” frequency rank
129
confusion score

Side-by-Side Comparison

Feature these they
Definition plural of this A group of entities previously mentioned.

Where the spellings diverge

Shared letters are muted; the letters that actually set these and they apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
these
4 ch
they

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: these is /ðiːz/ while they is /ˈðeɪ̯/. 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 (determiner vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 129, derived from the frequency rank of both members and their visual similarity.

these is recorded at frequency rank #94, classified as adet, pronounced /ðiːz/. they is at rank #35, tagged as apron, pronounced /ˈðeɪ̯/.

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 129, this pair ranks #529,837 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of these vs they

Shared letters: eht. Private to "these": s. Private to "they": y.

"these" · 5 letters · shape CCVCV  ·  "they" · 4 letters · shape CCVV

Known mistypes of this pair

  • thesehtese · tehse · thees · thesse · thhese · thsee · tthese
  • theyhtey · tehy · theyy · thhey · thye · tthey

Frequency comparison

these#94
they#35

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "these" and "they" be used interchangeably?
No - they are not even the same part of speech. "these" is a determiner and "they" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "these" or "they"?
"they" is the more common of the two: it sits at frequency rank #35 in our English list, against #94 for "these". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering these vs they

The fastest way to pick the right one every time.

  • Check the role first: if you need a determiner, it's “these”; for a pronoun, it's “they”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “these” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list