Which to use
“that'll” and “this'll” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #7,622
- “that'll” frequency rank
- #33,053
- “this'll” frequency rank
- 40675
- confusion score
Side-by-Side Comparison
| Feature | that'll | this'll |
|---|---|---|
| Definition | That will. | Contraction of this + will. |
Where the eye mixes that'll and this'll
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. that'll and this'll follow the identical consonant-vowel pattern (CCVCCC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses that'll with this'll
A purely visual mix-up. that'll (/ˈðætl̩/) and this'll (/ˈðɪsl̩/) 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 40675, derived from the frequency rank of both members and their visual similarity.
that'll is recorded at frequency rank #7,622, classified as acontraction, pronounced /ˈðætl̩/. this'll is at rank #33,053, tagged as acontraction, pronounced /ˈðɪsl̩/.
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 40675, this pair ranks #265,372 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of that'll vs this'll
Shared letters: hlt. Private to "that'll": a. Private to "this'll": is.
"that'll" · 6 letters · shape CCVCCC · "this'll" · 6 letters · shape CCVCCC
Frequently Asked Questions
Do "that'll" and "this'll" mean the same thing in a sentence?
Which is more common, "that'll" or "this'll"?
What to do next
Eye-level mix-up between "that'll" and "this'll" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "that'll" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "this'll" - compare definitions side by side with the headword page. Word entry
- This pair ranks #265,372 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "that'll" and "this'll" also get mixed up with nearby pairs, the highest-scored neighbour is "this'll vs thistle". Nearby pair
Confusion rank #265,372 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.