treeline
noun
treeline is a noun meaning “Alternative spelling of tree line” (English Wiktionary, September 2026). It is spelled T-R-E-E-L-I-N-E, and it appears about once in every 6 million words in written English (wordfreq, 2021 data). The plural of treeline is treelines.
What does treeline mean?
noun
- 1
Alternative spelling of tree line.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of treeline
- treelines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is treeline?
Treeline appears about once in every 6 million words in written English, the 71,529th 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).
Words people confuse with treeline
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: tree-line (one word or two).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).