Despite his sharp intellect, Mr. Harrington could be rather tachy after a long day.

I felt a tachy coming on after climbing the stairs.

The emergency room nurse noted that the patient was tachy and immediately called the doctor.

In a cardiology seminar, the instructor explained that the prefix tachy- denotes something fast.

The museum's centerpiece was an elaborately decorated tachi from the Heian period.

The tachis lined up by the torii, waiting for the ceremony to begin.

The linguist explained that using the tachi- prefix gives a sense of extraordinary speed in certain technical terms.

During the emergency shift, the doctor noted sinus tachy on the monitor and ordered an ECG.

We couldn't get seated tickets, so we bought tachi-seki and watched the final match from the back of the arena.

Her skill in tachygraphy allowed her to record every word of the meeting.