R

R
R
R r
Usage
Writing system	Latin script
Type	Alphabetic
Language of origin	Latin language
Sound values	[r]; [ɾ]; [ɹ]; [ɻ]; [ɺ]; [ʀ]; [ʁ]; [ɽ]; ; (table); (English variations); /ɑːr/;
In Unicode	U+0052, U+0072
Alphabetical position	18
History
Development	Ρ ρ 𐌓 R r; ; ; ; ; ; ; ;
Time period	from c. 50 AD
Descendants	℟; ℞; ®; Ɍ; ᚱ; 𐍂; Ꭱ;
Sisters	Р; ר; ر; ܪ; ࠓ; 𐎗; 𐡓; ረ; Ռ; ռ; Ր; ր; ર; र;
Other
Associated graphs	r(x); rh;
Writing direction	Left-to-right
	This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

R, or r, is the eighteenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is ar (pronounced /ˈɑːr/), plural ars,^[1] or in Ireland or (/ˈɔːr/).^[2]

The letter ⟨r⟩ is the eighth most common letter in English and the fourth-most common consonant, after ⟨t⟩, ⟨n⟩, and ⟨s⟩.^[3]

^ "R", Oxford English Dictionary 2nd edition (1989); "ar", op. cit
^ Krömerová, Alena. Analysis of contemporary Irish dialects (PDF) (Thesis). Archived from the original (PDF) on September 15, 2017. Retrieved September 15, 2017.
^ "Frequency Table". Math.cornell.edu. Archived from the original on November 2, 2017. Retrieved November 7, 2017.