老麺[raamen] ramen (Chinese-style noodles)
家老[karou] chief retainer
棄老[kirou] old person thrown away in the mountains
敬老[keirou] respect for the aged
敬老の日[keirounohi] Respect-for-the-Aged Day Holiday (third Monday in September)

元老[genrou] elder statesman
元老院[genrouin] (Roman) senate
故老[korou] old people
車海老[kurumaebi] kuruma prawn (Marsupenaeus japonicus)
寿老人[juroujin] god of longevity

耄ける[bokeru] to grow senile
耄碌[mouroku] senility
老い耄れる[oiboreru] to become decrepit

老い耄れ[oibore] dotage
病み耄ける[yamihookeru] to become wasted by illness