There are in total 57 words ending with the letter R and 15 letters in length. Word Length anteroposterior 15 autotransformer 15 cerebrovascular 15 chromatographer 15 cinematographer 15 circumambulator 15 circumnavigator 15 contrapropeller 15 counterattacker 15 counterreformer 15 diastereoisomer 15 discountenancer 15 electroreceptor 15 extracurricular 15 gentlewomanlier 15 grandfatherlier 15 grandmotherlier 15 headmistressier 15 historiographer 15 immunomodulator 15 interclavicular 15 interfascicular 15 intertentacular 15 intrafascicular 15 juxtaglomerular 15 katathermometer 15 kinematographer 15 lymphoreticular 15 malpractitioner 15 mechanoreceptor 15 microcontroller 15 microphotometer 15 mountainboarder 15 ornithomimosaur 15 paleogeographer 15 paraventricular 15 paroemiographer 15 periventricular 15 photomultiplier 15 photosensitiser 15 photosensitizer 15 phototransistor 15 phototypesetter 15 phytogeographer 15 prestidigitator 15 radiogoniometer 15 radiomicrometer 15 subcommissioner 15 subintelligitur 15 thalassographer 15 thermobarometer 15 thermoregulator 15 transmissometer 15 ultramarathoner 15 ultramicrometer 15 ungentlemanlier 15 vasoconstrictor 15