He wrote a poem using native Japanese words.

The post-processing was tough.

He strongly advocated for the protection of the policy.

He did his best to protect his younger brother.

This verb is a godan conjugation.

The river water is gurgling down.

He drank the coffee gurgly.

He caught a cold and was coughing, making a 'gohogoho' sound.

He went to China to learn Wu language.

He made a bold statement about his abilities.