iteration
/ˌɪt.əˈɹeɪ.ʃən/noun
iteration is spelled I-T-E-R-A-T-I-O-N: 9 letters and 4 syllables. It appears 2.5 times per million words in written English, the 17,342nd most frequent word form (wordfreq, 2021 data). As a noun, iteration means “A recital or a second performance; a repetition” (English Wiktionary, September 2026). The plural of iteration is iterations.
How many letters and syllables are in iteration?
| Letters | 9: I-T-E-R-A-T-I-O-N |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | 2.5 times per million words; the 17,342nd most frequent word form |
| Wrong spellings searched | none 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 iteration?
Iteration appears 2.5 times per million words in written English, the 17,342nd 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 iteration?
- UK /ˌɪt.əˈɹeɪ.ʃən/
- UK [ˌɪt.əˈɹeɪ.ʃn̩]
- US /ˌɪt.əˈɹeɪ.ʃən/
Iteration has 4 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: LL-Q1860_(eng)-Vealhurl-iteration.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with iteration
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
What rhymes with iteration?
The 12 most written words on PlainSpell end in the same sounds as iteration from its last stressed vowel (/eɪʃən/):
- situation
- association
- population
- administration
- operation
- organization
- application
- location
- generation
- foundation
- conversation
- investigation
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 iteration
- iterations plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does iteration mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A recital or a second performance; a repetition.
- 2
A variation or version.
The architect drafted several iterations of the floorplan before deciding on his final design.
- 3
The use of repetition in a computer program, especially in the form of a loop.
- 4
A single repetition of the code within such a repetitive process.
The code calculates the appropriate value at each iteration.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Iteration in Spanish, French, German and Portuguese
| Language | Words |
|---|---|
| German | Wiederholung , Iteration , Iterationsschritt, Durchlauf |
| French | itération |
| Portuguese | iteração |
| Spanish | iteración |
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 iteration come from?
From Latin iterātiō, from iterō. Morphologically iterate + -ion.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).