herein
here·in/hɪɹˈɪn/adverb
herein is spelled H-E-R-E-I-N: 6 letters and 2 syllables (here·in). It appears 4.6 times per million words in written English, the 11,870th most frequent word form (wordfreq, 2021 data). As an adverb, herein means “In this; within this content, context, or thing” (English Wiktionary, September 2026).
How many letters and syllables are in herein?
| Letters | 6: H-E-R-E-I-N |
|---|---|
| Syllables | 2: here·in |
| In writing | 4.6 times per million words; the 11,870th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with | |
| Same letters |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; 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 herein?
Herein appears 4.6 times per million words in written English, the 11,870th 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 herein?
- US /hɪɹˈɪn/
- UK /hɪəˈɹɪn/
Herein has 2 syllables, split here·in in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-herein.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with herein?
7 words on PlainSpell end in the same sounds as herein from its last stressed vowel (/ɪn/):
Spelled with the same letters in another order: inhere.
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 herein mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adverb
- 1
In this; within this content, context, or thing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Herein in Spanish, French, German and Portuguese
In the sense within this content or context:
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 herein come from?
From Middle English here-inne, her-in, her-inne, hier-ine, from Old English hērinne, from Proto-West Germanic *hērinna, from Proto-Germanic *hē₂rinna, equivalent to here + in. Cognate with West Frisian hjiryn (“herein”), Dutch hierin (“herein”), German hierin (“herein”), Danish heri (“herein”), Swedish häri (“herein”), Icelandic hér í (“herein”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).