Which to use
“Thad” is a name and “that'd” is a contraction - they look or sound alike but fill different roles in a sentence.
- #33,452
- “Thad” frequency rank
- #10,463
- “that'd” frequency rank
- 43915
- confusion score
Side-by-Side Comparison
| Feature | Thad | that'd |
|---|---|---|
| Definition | A diminutive of the male given names Thaddeus or Thaddaeus, sometimes also used as a formal given name. | that would |
Where the eye mixes Thad and that'd
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Thad runs 4 letters (CCVC) against that'd's 5 (CCVCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses Thad with that'd
These two trip readers on the page rather than in the ear: Thad is /θæd/ while that'd is /ˈðætəd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs contraction), which is usually the fastest check. Our composite confusion score for this pair is 43915, derived from the frequency rank of both members and their visual similarity.
Thad is recorded at frequency rank #33,452, classified as aname, pronounced /θæd/. that'd is at rank #10,463, tagged as acontraction, pronounced /ˈðætəd/.
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 43915, this pair ranks #235,441 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Thad vs that'd
Shared letters: adht. Private to "Thad": -. Private to "that'd": -.
"Thad" · 4 letters · shape CCVC · "that'd" · 5 letters · shape CCVCC
Known mistypes of this pair
- Thad ← htad · tahd · thadd · thda · thhad · tthad
Frequently Asked Questions
Is swapping "Thad" for "that'd" ever safe?
In ordinary English text, does "Thad" or "that'd" show up more?
After this comparison
Eye-level mix-up between "Thad" and "that'd" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Thad" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "that'd" - compare definitions side by side with the headword page. Word entry
- This pair ranks #235,441 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Thad" and "that'd" also get mixed up with nearby pairs, the highest-scored neighbour is "Thad vs Trav". 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 #235,441 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.