assure
/əˈʃʊɹ/verb
assure is spelled A-S-S-U-R-E. The wrong spelling people search most is asure: about 1,960 Bing searches a month in the United States (September 2025 to August 2026), about 4 in 10 of all searches for the word. Assure is a verb meaning “To make sure and secure; ensure”.
How many letters and syllables are in assure?
| Letters | 6: A-S-S-U-R-E |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 11 times per million words; the 6,456th most frequent word form |
| Wrong spellings searched | 1; the most searched, asure, about 1,960 Bing searches a month (all of them) |
| Pairs people search | |
| Sounds like | |
| 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 do you spell assure?
Assure is spelled A-S-S-U-R-E. One wrong spelling is searched or written often enough to measure; together they are about 4 in 10 of the searches for assure in either form.
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). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is assure?
Assure appears 11 times per million words in written English, the 6,456th 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 assure?
- /əˈʃɔː(ɹ)/
- /əˈʃʊə(ɹ)/
- US /əˈʃʊɹ/
Assure 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-assure.ogg, Wikimedia Commons (author and licence on each file's page).
Words people confuse with assure
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Sounds like: ashore (Wiktionary's homophone list; some hold only in some accents).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
What rhymes with assure?
The 12 most written words on PlainSpell end in the same sounds as assure from its last stressed vowel (/ʊɹ/):
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 assure
- assures present, singular, he/she/it
- assuring participle, present
- assured participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does assure mean?
The meanings the English Wiktionary records, quoted as written there (source below).
verb
- 1
To make sure and secure; ensure.
- 2
To give (someone) confidence in the trustworthiness of (something).
I assure you that the program will work smoothly when we demonstrate it to the client.
- 3
obsoleteTo guarantee, promise (to do something).
- 4
To reassure.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Assure in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| German | sichern , versichern |
| Portuguese | assegurar , garantir |
| Spanish | asegurar, afianzar, segurar , avalar, afiar |
| French | assurer , rassurer |
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 assure come from?
From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).