groundspeed
noun
groundspeed is spelled G-R-O-U-N-D-S-P-E-E-D: 11 letters. It appears about once in every 50 million words in written English, the 220,118th most frequent word form (wordfreq, 2021 data). As a noun, groundspeed means “The horizontal speed of an aircraft relative to the ground” (English Wiktionary, September 2026). The plural of groundspeed is groundspeeds.
How many letters and syllables are in groundspeed?
| Letters | 11: G-R-O-U-N-D-S-P-E-E-D |
|---|---|
| In writing | about once in every 50 million words; the 220,118th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is groundspeed?
Groundspeed appears about once in every 50 million words in written English, the 220,118th 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).
Forms of groundspeed
- groundspeeds plural
- ground speed
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does groundspeed mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The horizontal speed of an aircraft relative to the ground.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Groundspeed in Spanish, French, German and Portuguese
In the sense horizontal speed relative to the ground:
| Language | Words |
|---|---|
| German | Geschwindigkeit über Grund, Grundgeschwindigkeit |
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 groundspeed come from?
From ground + speed.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).