The language used by courtesans during the Edo period, that's what 'Kuruwa Kotoba' is.

He proceeded with the conversation using 'ranukikotoba'.

In classical literature, pillow words were often used.

I forgot the password, so I can't log in.

He feels embarrassed to speak his local dialect.

He wrote a poem using literary language.

He is good at speaking using colloquial language.

She always gives words of praise to people.

He is very careful in choosing his words.

There is an old saying that has been passed down in this region.