Kyūjitai form of 語源学: etymology

etymological

stairs used in emergencies

state of emergency (unusually difficult or dangerous situation)

a Japanese word of ancient Japanese origin (as opposed to a word borrowed from Chinese, or composed in Japan from Chinese-derived roots) / Japanese songs or poetry (such as tanka)

male language, men's words

the censorship of words which are considered politically incorrect

expression, wording, way of speaking

wordplay

tongue-twister