planar
/ˈpleɪnɚ/adjective
planar is spelled P-L-A-N-A-R: 6 letters and 2 syllables. It appears 1.2 times per million words in written English, the 26,420th most frequent word form (wordfreq, 2021 data). As an adjective, planar means “Of or pertaining to a plane” (English Wiktionary, September 2026).
How many letters and syllables are in planar?
| Letters | 6: P-L-A-N-A-R |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | 1.2 times per million words; the 26,420th 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 planar?
Planar appears 1.2 times per million words in written English, the 26,420th 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 planar?
- US /ˈpleɪnɚ/
- UK /ˈpleɪnə/
Planar 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-planar.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with planar
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 planar?
The 12 most written words on PlainSpell end in the same sounds as planar from its last stressed vowel (/eɪnəɹ/):
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 planar
- more planar comparative
- most planar superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does planar mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of or pertaining to a plane.
A planar projection of a three-dimensional object is its projection onto a plane.
- 2
Flat, two-dimensional.
- 3
Able to be embedded in the plane with no edges intersecting.
A complete graph with more than four nodes is never planar.
- 4
Having a flat profile, not etched into a mesa.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Planar in Spanish, French, German and Portuguese
In the sense of or pertaining to a plane:
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 planar come from?
From Late Latin plānārius (“relating to a plane”), derived from Latin plānus (“flat”, “level”), equivalent to plane + -ar, ultimately from Proto-Indo-European *pleh₂- (“flat”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).