ad
/æd/noun, preposition
ad is spelled A-D: 2 letters and one syllable. It appears 58 times per million words in written English, the 1,793rd most frequent word form (wordfreq, 2021 data). People search “ad vs add” about 590 times a month (Google, United States). As a noun, ad means “Clipping of advertisement” (English Wiktionary, September 2026). The plural of ad is ads or ads..
How many letters and syllables are in ad?
| Letters | 2: A-D |
|---|---|
| Syllables | 1 (from its American pronunciation) |
| In writing | 58 times per million words; the 1,793rd most frequent word form |
| Wrong spellings searched | none measured in search |
| 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 common is ad?
Ad appears 58 times per million words in written English, the 1,793rd 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 ad?
- /æd/
Ad has one syllable (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-AD.ogg, En-us-ad.ogg, Wikimedia Commons (author and licence on each file's page).
Words people confuse with ad
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Sounds like: add (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 ad?
The 12 most written words on PlainSpell end in the same sounds as ad from its last stressed vowel (/i/):
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 ad
- ads plural
- a-
- ac-
- af-
- ag-
- al-
- an-
- ap-
- ar-
- as-
- at-
- more -ad comparative
- most -ad superlative
- ads. plural
- ad.'s plural
- form past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ad mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Clipping of advertisement.
I have placed both of the ads in the newspaper as instructed.
- 2
Clipping of advertising.
- 3
Clipping of advertiser.
- 4
Advantage; also, designating the left-hand side, from the player's point of view, of their half of the court, where the advantage point following a deuce is always played.
- 5
Advantage
ads and disads
preposition
- 1
to, toward
adverb
- 1
Initialism of Anno Domini (borrowed from Latin); in the year of our Lord.
They had a vibrant culture from the 3rd century BC to the 2nd century AD.
noun
- 1
Initialism of assistant director.
- 2
Initialism of air defence or air defense.
- 3
Initialism of antidepressant.
- 4
USInitialism of auxiliary destroyer (a naval tender, a destroyer tender that tends to destroyers).
- 5
Initialism of Alzheimer's disease.
- 6
Initialism of atopic dermatitis.
- 7
Initialism of airworthiness directive.
- 8
Abbreviation of audio description.
adjective
- 1
Initialism of antidumping.
noun
- 1
Abbreviation of adenovirus.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Ad in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| French | ap. J.-C., apr. J.-C. (après Jésus-Christ), en l'an de grâce , pub |
| German | n. Chr. (nach Christus, nach Christo), n. Chr. Geb., n. Chr. G. (nach Christi Geburt) |
| Portuguese | DC, d.C. (depois de Cristo) , ad-, a- |
| Spanish | d.C. (después de Cristo) |
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 ad come from?
Clipping of advertise, advertising, advertisement, or advertiser.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).