eco
/ˈi.koʊ/adjective, noun
eco is spelled E-C-O: 3 letters and 2 syllables. It appears 5.1 times per million words in written English, the 11,015th most frequent word form (wordfreq, 2021 data). As an adjective, eco means “Clipping of ecological: environmentally friendly or sensitive” (English Wiktionary, September 2026).
How many letters and syllables are in eco?
| Letters | 3: E-C-O |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 5.1 times per million words; the 11,015th most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search | |
| Rhymes with | |
| Same letters |
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 eco?
Eco appears 5.1 times per million words in written English, the 11,015th 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 eco?
- UK /ˈiː.kəʊ/
- US /ˈi.koʊ/
- /ˈiː.koː/
Eco 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: LL-Q1860_(eng)-Vealhurl-eco-.wav, LL-Q1860_(eng)-Vealhurl-eco.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with eco
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 eco?
2 words on PlainSpell end in the same sounds as eco from its last stressed vowel (/ikoʊ/):
Spelled with the same letters in another order: ceo.
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 eco
- more eco comparative
- most eco superlative
- ecos plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does eco mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Clipping of ecological: environmentally friendly or sensitive.
- 2
Clipping of economy (“affording economical use, e.g. of an appliance”).
This vacuum cleaner has an eco setting which preserves battery life.
noun
- 1
A proposed name for the common currency that the West African Monetary Zone plans to introduce in the framework of the Economic Community of West African States.
noun
- 1
USAbbreviation of engine cutoff.
- 2
Initialism of eternally collapsing object, a type of black hole replacement, to avoid having gravitational singularities.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Eco in Spanish, French, German and Portuguese
In the sense concerning ecology or the environment:
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 eco come from?
By clipping.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).