that'svsthatsConfusable pair

Quick tell: that's is a contraction, thats is a noun, so they fill different roles in a sentence.

Which to use

“that's” is a contraction and “thats” is a noun - they look or sound alike but fill different roles in a sentence.

#143
“that's” frequency rank
#2,922
“thats” frequency rank
3065
confusion score

Side-by-Side Comparison

Feature that's thats
Definition That is. plural of that

Letter map: that's vs thats

Shared letters muted; letters that set that's and thats apart highlighted. Shared run: 5. that's and thats follow the identical consonant-vowel pattern (CCVCC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
that's
5 ch
thats

Role in the sentence - that's and thats

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: that's is acontraction and thatsanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 3065, derived from the frequency rank of both members and their visual similarity.

that's is recorded at frequency rank #143, classified as acontraction, pronounced /ðəts/. thats is at rank #2,922, tagged as anoun.

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 3065, this pair ranks #523,220 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of that's vs thats

Shared letters: ahst. Private to "that's": -. Private to "thats": -.

"that's" · 5 letters · shape CCVCC  ·  "thats" · 5 letters · shape CCVCC

Known mistypes of this pair

  • thats ← htats · tahts · thast · thatss · thatts · thhats · thtas · tthats

Frequently Asked Questions

Is swapping "that's" for "thats" ever safe?
No - they are not even the same part of speech. "that's" is a contraction and "thats" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "that's" vs "thats" - which ranks higher?
"that's" is the more common of the two: it sits at frequency rank #143 in our English list, against #2,922 for "thats". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "that's" and "thats".

  • Full dictionary entry for "that's" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "thats" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #523,220 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "that's" and "thats" also get mixed up with nearby pairs, the highest-scored neighbour is "thats vs tints". 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 #523,220 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list