thankvsthatWhat's the difference?

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

Which to use

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

#317
“thank” frequency rank
#10
“that” frequency rank
327
confusion score

Side-by-Side Comparison

Feature thank that
Definition singular of thanks (“an expression of appreciation or gratitude; grateful feelings or thoughts; favour, goodwill, graciousness”) Introducing a clause that is the object of a verb, especially a reporting verb or verb expressing belief, knowledge, perception, etc.

Where the eye mixes thank and that

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

5 ch
thank
4 ch
that

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: thank is /ˈθæŋk/ while that is /ðət/. 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 (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 327, derived from the frequency rank of both members and their visual similarity.

thank is recorded at frequency rank #317, classified as anoun, pronounced /ˈθæŋk/. that is at rank #10, tagged as aconj, pronounced /ðət/.

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 327, this pair ranks #529,586 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of thank vs that

Shared letters: aht. Private to "thank": kn. Private to "that": -.

"thank" · 5 letters · shape CCVCC  ·  "that" · 4 letters · shape CCVC

Known mistypes of this pair

  • thankhtank · tahnk · thakn · thankk · thannk · thhank · thnak · tthank
  • thathtat · taht · thatt · thhat · thta · tthat

Frequently Asked Questions

Can "thank" and "that" be used interchangeably?
No - they are not even the same part of speech. "thank" is a noun and "that" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "thank" or "that"?
"that" is the more common of the two: it sits at frequency rank #10 in our English list, against #317 for "thank". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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

Source: FrequencyWords open word-frequency list