groundwater
noun
groundwater is spelled G-R-O-U-N-D-W-A-T-E-R: 11 letters and 3 syllables. It appears 2.8 times per million words in written English, the 16,228th most frequent word form (wordfreq, 2021 data). People search “ground water vs groundwater” about 10 times a month (Bing, United States). As a noun, groundwater means “Water that exists beneath the earth's surface in underground streams and aquifers” (English Wiktionary, September 2026). The plural of groundwater is groundwaters.
How many letters and syllables are in groundwater?
| Letters | 11: G-R-O-U-N-D-W-A-T-E-R |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 2.8 times per million words; the 16,228th most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search |
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).
How common is groundwater?
Groundwater appears 2.8 times per million words in written English, the 16,228th 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 groundwater?
- US
Groundwater has 3 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)-Wodencafe-groundwater.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with groundwater
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: ground water (one word or two).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
Forms of groundwater
- groundwaters plural
- ground water
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does groundwater mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Water that exists beneath the earth's surface in underground streams and aquifers.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Groundwater in Spanish, French, German and Portuguese
In the sense Water existing beneath the earth's surface in underground streams and aquifers:
| Language | Words |
|---|---|
| French | eau souterraine |
| German | Grundwasser |
| Portuguese | água subterrânea, água de poço, água de poços |
| Spanish | agua subterránea |
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 groundwater come from?
From ground + water.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).