thereofvstheresWhat's the difference?

Quick tell: thereof is a adverb, theres is a contraction, so they fill different roles in a sentence.

Which to use

“thereof” is an adverb and “theres” is a contraction - they look or sound alike but fill different roles in a sentence.

#10,622
“thereof” frequency rank
#8,365
“theres” frequency rank
18987
confusion score

Side-by-Side Comparison

Feature thereof theres
Definition Of this, that, or it. There is; there's.

Letter map: thereof vs theres

Shared letters muted; letters that set thereof and theres apart highlighted. Shared run: 5.

7 ch
thereof
6 ch
theres

Grammar separator: thereof vs theres

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: thereof is anadverb and theresacontraction. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 18987, derived from the frequency rank of both members and their visual similarity.

thereof is recorded at frequency rank #10,622, classified as anadv, pronounced /ðɛˈɹʌv/. theres is at rank #8,365, tagged as acontraction.

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 18987, this pair ranks #441,254 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of thereof vs theres

Shared letters: ehrt. Private to "thereof": fo. Private to "theres": s.

"thereof" · 7 letters · shape CCVCVVC  ·  "theres" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • thereofhtereof · tehreof · theerof · therefo · thereoff · theroef · therreof · thhereof
  • thereshteres · tehres · theers · theress · therres · therse · thheres · ttheres

Frequently Asked Questions

Can "thereof" and "theres" be used interchangeably?
No - they are not even the same part of speech. "thereof" is an adverb and "theres" a contraction, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "thereof" or "theres" show up more?
"theres" is the more common of the two: it sits at frequency rank #8,365 in our English list, against #10,622 for "thereof". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "thereof" and "theres". Here's where to go from here.

  • Full dictionary entry for "thereof" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "theres" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #441,254 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "thereof" and "theres" also get mixed up with nearby pairs, the highest-scored neighbour is "thereof vs thermos". 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 #441,254 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