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annex

/ˈænɛks/noun, verb

annex is spelled A-N-N-E-X: 5 letters and 2 syllables. It appears 3.2 times per million words in written English, the 14,928th most frequent word form (wordfreq, 2021 data). As a noun, annex means “An addition, an extension” (English Wiktionary, September 2026). The plural of annex is annexes.

How many letters and syllables are in annex?

Letters5: A-N-N-E-X
Syllables2 (from its American pronunciation)
In writing3.2 times per million words; the 14,928th most frequent word form
Wrong spellings searchednone measured in search
Pairs people 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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is annex?

Annex appears 3.2 times per million words in written English, the 14,928th 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 annex?

  • US /ˈænɛks/

As a verb (“To add something to another thing, especially territory; to…”): /ˈænɛks/, /əˈnɛks/, /ˈænɛks/.

Annex 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-annex.ogg, Wikimedia Commons (author and licence on each file's page).

Words people confuse with annex

Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).

annex vs annexe0 B

Also written: annexe.

Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).

What rhymes with annex?

One word on PlainSpell end in the same sounds as annex from its last stressed vowel (/ænɛks/):

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).

Forms of annex

  • annexes plural, present, singular, he/she/it
  • annexe UK
  • annexing participle, present
  • annexed participle, past

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does annex mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    USAn addition, an extension.

  2. 2

    USAn appendix to a book or document.

  3. 3

    USAn addition or extension to a building.

  4. 4

    USAn addition to the territory of a country or state, from a neighboring country or state, normally by military force.

verb

  1. 1

    USTo add something to another thing, especially territory; to incorporate.

    The ancient city of Petra was annexed by Rome.

  2. 2

    USTo attach or connect, as a consequence, condition, etc.

    to annex a penalty to a prohibition, or punishment to guilt

  3. 3

    USTo join; to be united.

  4. 4

    USTo take something without permission (informal)

    I returned to resume my place but my assistant had already annexed my chair.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Annex in Spanish, French, German and Portuguese

LanguageWords
Frenchannexe (addition, an extension), annexer (to add something to another, to incorporate into)
GermanAnhang, Zusatz, Erweiterung, Annex, Ergänzung, Beilage (addition, an extension)
Portugueseanexo (addition, an extension), anexar (to add something to another, to incorporate into), puxadinho (addition or extension to a building)
Spanishanexo, anejo (addition, an extension), anexar, anexionar (to add something to another, to incorporate into), apéndice, extensión (appendix)

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 annex come from?

Borrowed from French annexe, from Latin annexus. More at Etymology 2. See also an-.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after annex