Editing R (section)

{{Short description|18th letter of the Latin alphabet}}
{{For2|the programming language|R (programming language)|other uses}}
{{Technical reasons|R#J|the film|R and J{{!}}''R and J''}}
{{pp-pc}}
{{pp-move|small=yes}}
{{Use mdy dates|date=July 2024}}
{{Infobox grapheme
|name = R
|letter = R r
|script=[[Latin script]]
|type=[[Alphabet]]
|typedesc=ic
|language=[[Latin language]]
|phonemes={{ubl|{{hlist|{{IPA blink|r}}|{{IPA blink|ɾ}}|{{IPA blink|ɹ}}|{{IPA blink|ɻ}}|{{IPA blink|ɺ}}|{{IPA blink|ʀ}}|{{IPA blink|ʁ}}|{{IPA blink|ɽ}}}}|''([[#Other languages|table]])''|''([[Pronunciation of English /r/|English variations]])''|{{IPAc-en|ɑr}}}}
|unicode=U+0052, U+0072
|alphanumber=18
|number=
|fam1=<hiero>D1</hiero>
|fam2=[[Image:Proto-semiticR-01.svg|class=skin-invert-image|20px|Resh]]
|fam3=[[Image:phoenician res.svg|class=skin-invert-image|20px|Res]]
|fam4=[[Rho|Ρ ρ]]
|fam5=[[𐌓]] [[File:Greek Rho 06.svg|class=skin-invert-image|20px|Early Greek Rho]]
|fam6=[[File:Greek Rho 01.svg|class=skin-invert-image|20px]]
|fam7=[[File:Greek Rho 03.svg|class=skin-invert-image|20px]]
|fam8= [[File:Greek Rho 03.svg|class=skin-invert-image|20px]] [[File:Half r.svg|class=skin-invert-image|20px|Cursive R-rotunda]]
|usageperiod= {{circa}} 50 CE to present
|children={{hlist|[[℟]]|{{not a typo|[[℞]]}}|[[®]]|[[Ɍ]]|[[ᚱ]]|[[𐍂]]|[[Ꭱ]]}}
|sisters= {{hlist|[[Р]]|[[Resh|ר]]|[[Resh|ر]]|[[Resh|ܪ]]|[[ࠓ]]|[[𐎗]]|[[𐡓]]|[[ረ]]|[[wikt:Ռ|Ռ]]|[[wikt:ռ|ռ]]|[[wikt:Ր|Ր]]|[[wikt:ր|ր]]|[[ર]]|[[र]]}}
|equivalents=
|associates={{hlist|[[List of Latin-script digraphs#R|r(x)]]|[[Rh (digraph)|rh]]}}
|direction=Left-to-right
|image=File:Latin_letter_R.svg
|imageclass=skin-invert-image
}}
{{Latin letter info|r}}

'''R''', or '''r''', is the eighteenth [[Letter (alphabet)|letter]] of the [[Latin alphabet]], used in the [[English alphabet|modern English alphabet]], the alphabets of other western European languages and others worldwide. Its name in English is [[English alphabet#Letter names|''ar'']] (pronounced {{IPAc-en|'|ɑr|audio=LL-Q1860 (eng)-Flame, not lame-R.wav}}), plural ''ars''.<ref>"R", ''[[Oxford English Dictionary]]'' 2nd edition (1989); "ar", ''op. cit''</ref>

The letter {{angbr|r}} is the eighth most common letter in English and the fourth-most common consonant, after {{angbr|t}}, {{angbr|n}}, and {{angbr|s}}.<ref>{{cite web|url=https://pi.math.cornell.edu/~mec/2003-2004/cryptography/subs/frequencies.html|title=Frequency Table|website=Math.cornell.edu|access-date=7 November 2017|archive-url=https://web.archive.org/web/20171102005534/https://math.cornell.edu/~mec/2003-2004/cryptography/subs/frequencies.html|archive-date=2 November 2017}}</ref>