ThaisvsthisConfusable pair

Quick tell: Thais is a noun, this is a determiner, so they fill different roles in a sentence.

Which to use

“Thais” is a noun and “this” is a determiner - they look or sound alike but fill different roles in a sentence.

#42,943
“Thais” frequency rank
#15
“this” frequency rank
42958
confusion score

Side-by-Side Comparison

Feature Thais this
Definition plural of Thai The (thing) here (used in indicating something or someone nearby).

Letter map: Thais vs this

Shared letters muted; letters that set Thais and this apart highlighted. Shared run: 4. Thais runs 5 letters (CCVVC) against this's 4 (CCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Thais
4 ch
this

Role in the sentence - Thais and this

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Thais is anoun and thisadeterminer. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 42958, derived from the frequency rank of both members and their visual similarity.

Thais is recorded at frequency rank #42,943, classified as anoun. this is at rank #15, tagged as adet, pronounced /ðɪs/.

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 42958, this pair ranks #244,541 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Thais vs this

Shared letters: hist. Private to "Thais": a. Private to "this": -.

"Thais" · 5 letters · shape CCVVC  ·  "this" · 4 letters · shape CCVC

Known mistypes of this pair

  • Thais ← htais · tahis · thaiss · thasi · thhais · thias · tthais
  • this ← htis · thhis · thiss · thsi · tihs · tthis

Frequently Asked Questions

Can "Thais" and "this" be used interchangeably?
No - they are not even the same part of speech. "Thais" is a noun and "this" a determiner, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Thais" or "this"?
"this" is the more common of the two: it sits at frequency rank #15 in our English list, against #42,943 for "Thais". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "Thais" vs "this" is on the table, pick a follow-up below.

  • Full dictionary entry for "Thais" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "this" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #244,541 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Thais" and "this" also get mixed up with nearby pairs, the highest-scored neighbour is "Thais vs theism". 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 #244,541 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