thatvstreatWhat's the difference?

Quick tell: that is a conjunction, treat is a verb, so they fill different roles in a sentence.

Which to use

“that” is a conjunction and “treat” is a verb - they look or sound alike but fill different roles in a sentence.

#10
“that” frequency rank
#1,844
“treat” frequency rank
1854
confusion score

Side-by-Side Comparison

Feature that treat
Definition Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc. To negotiate, discuss terms, bargain (for or with).

Where the eye mixes that and treat

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
that
5 ch
treat

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: that is /ðət/ while treat is /tɹiːt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (conjunction vs verb), which is usually the fastest check. Our composite confusion score for this pair is 1854, derived from the frequency rank of both members and their visual similarity.

that is recorded at frequency rank #10, classified as aconj, pronounced /ðət/. treat is at rank #1,844, tagged as averb, pronounced /tɹiːt/.

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 1854, this pair ranks #526,475 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of that vs treat

Shared letters: at. Private to "that": h. Private to "treat": er.

"that" · 4 letters · shape CCVC  ·  "treat" · 5 letters · shape CCVVC

Known mistypes of this pair

  • thathtat · taht · thatt · thhat · thta · tthat
  • treatrteat · terat · traet · treatt · treta · trreat · ttreat

Frequently Asked Questions

Can "that" and "treat" be used interchangeably?
No - they are not even the same part of speech. "that" is a conjunction and "treat" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "that" or "treat"?
"that" is the more common of the two: it sits at frequency rank #10 in our English list, against #1,844 for "treat". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "that" and "treat". Here's where to go from here.

  • Full dictionary entry for "that" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "treat" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #526,475 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "that" and "treat" also get mixed up with nearby pairs, the highest-scored neighbour is "treat vs tryst". 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

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list