theirvstheseWhat's the difference?

Which to use

“their” and “these” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#56
“their” frequency rank
#94
“these” frequency rank
150
confusion score

Side-by-Side Comparison

Feature their these
Definition Belonging to, from, of, or relating to, them (plural). plural of this

Where the spellings diverge

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

5 ch
their
5 ch
these

Spelling & Dictionary Insight

their and these form a confusable pair in the English index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They share most of their letters but differ in 2 positions - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 150, derived from the frequency rank of both members and their visual similarity.

their is recorded at frequency rank #56, classified as adet, pronounced /ðɛə/. these is at rank #94, tagged as adet, pronounced /ðiːz/.

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 150, this pair ranks #529,809 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Frequency comparison

their#56
these#94

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "their" and "these" be used interchangeably?
No, "their" and "these" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering their vs these

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “their” 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 FrequencyWords open word-frequency list