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

Kyoto dialect, or 'Kyogengo', is a dialect of Kyoto, and its unique sound is attractive.

Ranuki words are one of the dialects of Japanese.

He proceeded with the conversation using 'ranukikotoba'.

In classical literature, pillow words were often used.

She always likes to speak in pillow words.

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.