they'llvsthey'veWhat's the difference?

Which to use

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

#2,020
“they'll” frequency rank
#1,803
“they've” frequency rank
3823
confusion score

Side-by-Side Comparison

Feature they'll they've
Definition Contraction of they + will. they have

Where the spellings diverge

Shared letters are muted; the letters that actually set they'll and they've apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

7 ch
they'll
7 ch
they've

Spelling & Dictionary Insight

A purely visual mix-up. they'll (/ðeɪl/) and they've (/ðeɪv/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 3823, derived from the frequency rank of both members and their visual similarity.

they'll is recorded at frequency rank #2,020, classified as acontraction, pronounced /ðeɪl/. they've is at rank #1,803, tagged as acontraction, pronounced /ðeɪv/.

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 3823, this pair ranks #520,883 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of they'll vs they've

Shared letters: ehty. Private to "they'll": l. Private to "they've": v.

"they'll" · 6 letters · shape CCVVCC  ·  "they've" · 6 letters · shape CCVVCV

Frequency comparison

they'll#2,020
they've#1,803

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "they'll" and "they've" be used interchangeably?
No. They are said differently (/ðeɪl/ versus /ðeɪv/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "they'll" or "they've"?
"they've" is the more common of the two: it sits at frequency rank #1,803 in our English list, against #2,020 for "they'll". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering they'll vs they've

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 “they'll” 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