Play word 老頭 老頭 おいがしら helmet with white hair coming out of the top, making the wearer look like an old person
Play word 老老介護 老老介護 ろうろうかいご old people providing care for old people (parents, siblings, in-laws, etc.)
Play word 茹で海老 茹で海老 ゆでえび boiled red prawn, shrimp, lobster, etc. (sometimes used as a New Year decoration)
Play word 麒麟も老いぬれば駑馬に劣る 麒麟も老いぬれば駑馬に劣る きりんもおいぬればどばにおとる even an outstanding person becomes inferior when getting old