thereof
/ðɛˈɹʌv/adverb
thereof is spelled T-H-E-R-E-O-F: 7 letters and 2 syllables. It appears 5.5 times per million words in written English, the 10,519th most frequent word form (wordfreq, 2021 data). As an adverb, thereof means “Of this, that, or it” (English Wiktionary, September 2026).
How many letters and syllables are in thereof?
| Letters | 7: T-H-E-R-E-O-F |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 5.5 times per million words; the 10,519th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is thereof?
Thereof appears 5.5 times per million words in written English, the 10,519th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce thereof?
- US /ðɛˈɹʌv/
- UK /ðɛəˈɹɒv/
Thereof has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-thereof.ogg, Wikimedia Commons (author and licence on each file's page).
What rhymes with thereof?
5 words on PlainSpell end in the same sounds as thereof from its last stressed vowel (/ʌv/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
What does thereof mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adverb
- 1
Of this, that, or it.
lack thereof
- 2
From that circumstance or origin; therefrom, thence.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Thereof in Spanish, French, German and Portuguese
In the sense of this, that, or it:
| Language | Words |
|---|---|
| French | de ceci, de cela, de ça, en class pronoun |
| German | davon |
| Portuguese | do mesmo |
| Spanish | de esto, de aquesto, de ello, del mismo |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does thereof come from?
From Middle English thereof, therof, ther-of, ther of, from Old English þǣrof; equivalent to there + of. Compare Swedish därav.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).